Textbooks that mention or picture Piltdown noted by an ‘X’ in the third column.

Title	Date	Pilt	Author(s)	Publisher	Lvl
Elements of Biology	1907		Hunter, George William	American Book Company, New York	HS
First Course in Biology*	1908		Bailey, L. H.; Coleman, Walter M	Macmillan, New York	HS
Applied Biology	1911		Bigelow, Maurice A; Bigelow, Anna N	Macmillan, New York	HS
Essentials of Biology	1911		Hunter, George William	American Book Company, New York	HS
Elementary Biology: Plant, Animal, Human	1912		Peabody, James Edward; Hunt, Arthur Ellsworth	Macmillan, New York	HS
Biology	1914		Calkins, Gary	Holt, New York
A Civic Biology	1914		Hunter, George William	American Book Company, New York	HS
Practical Biology	1916		Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
Civic Biology	1918		Hodge, Clifton F. and Dawson, Jean	Ginn, Boston	HS
Elementary Biology: An Introduction to the Science of Life	1919	X	Gruenberg, Benjamin C	Ginn, Boston	HS
Biology for High Schools	1920		Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
Biology for Beginners	1921	X	Moon, Truman J	Holt, New York	HS
Foundations of Biology	1922		Woodruff, Lorande Loss (M) Yale Bio	Macmillan, New York	C
Civic and Economic Biology	1922		Atwood, Wm. H	P. Blakiston's, Philadelphia	HS
New Essentials of Biology	1923		Hunter, George William	American Book Company, New York	HS
The Biology of Man and Other Organisms	1923		Linville, Henry R	Harcourt, New York	HS
Biology of Home and Community	1923		Trafton, Gilbert H	Macmillan, New York	HS
Living Things, An Elementary Biology	1924		Clement, Arthur G	Iroquois Publishing Co, Syracuse, NY	HS
Biology and Human Welfare	1924		Peabody, James Edward; Hunt, Arthur Ellsworth	Macmillan, New York	HS
New Biology	1924		Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
Living Things, An Elementary Biology	1925		Clement, Arthur G	Iroquois Publishing Co, Syracuse, NY	HS
Biology and Human Life	1925		Gruenberg, Benjamin C	Ginn, Boston	HS
Life and Evolution	1926	X	Holmes, Samual Jackson (M) University of California	Harcourt, New York	C
New Civic Biology	1926		Hunter, George William	American Book Company, New York	HS
An Introduction to Biology	1926		Kinsey, Alfred C	Lippincott, Chicago	HS
Biology for Beginners	1926		Moon, Truman J	Holt, New York	HS
Modern Biology: Its Human Aspects	1926		Waggoner, Harry Dwight	D. C. Heath, Boston	HS
Biology	1927		Atwood, Wm. H	P. Blakiston's, Philadelphia	HS
The Laws of Living Things	1927		Menge, Edward J.	The Bruce Publishing Company, Milwaukee	HS
Elements of Modern Biology	1929	X	Plunkett, Charles Robert	Henry Holt and Company, New York	C
New General Biology	1929		Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
Advanced Biology	1929		Wheat, Frank M.; Fitzpatrick, Elizabeth T	American Book Company, New York	HS
College Biology	1930	X	Barrows, Henry R. d. 1935 (M) New York University	Richard R. Smith, New York	C
Problems in Biology	1931	X	Hunter, George William	American Book Company, New York	HS
Essentials of Biology	1931		Meier, W. H. D; Meier, Lois	Ginn, Boston	HS
Fundamentals of Biology	1932	X	Haupt, Arthur W (M) UCLA		C
General Biology	1933		White, E. Grace (F) Wilson College Bio	The C. V. Mosby Company, St. Louis	C
An Introduction to Biology	1933		Cole, Elbert C.	John Wiley & Sons, New York	C
Dynamic Biology	1933		Baker, Arthur O; Mills, Lewis H	Rand McNally, New York	HS
New Introduction to Biology	1933		Kinsey, Alfred C	Lippincott, Chicago	HS
The Living World	1933		Mank, Helen Gardner	Benj. H. Sanborn & Co, Chicago	HS
Biology for Beginners	1933		Moon, Truman J; Mann, Paul B	Holt, New York	HS
Man and the Nature of His Biological World	1934	X	Jean, Frank Covert (M); Harrah, Ezra Clarence (M); Herman, Fred Louis (M); Colorado State College of Education and Powers, Samual Ralph (M) Columbia	Ginn, Boston	C
Biology for Today	1934		Curtis, Francis D; Caldwell, Otis W; Sherman, Nina Henry	Ginn, Boston	HS
New Biology	1934	X	Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
An Introduction to Biology	1935	X	Rice, Edward Loranus (M) Ohio Wesleyan University Bio Debated Bryan in '25, advised Darrow at Scopes	Ginn, Boston	C
Biology	1935	X	Fitzpatrick, Frederick L; Horton, Ralph E	Houghton Mifflin, Boston	HS
General Biology	1936	X	Mavor, James Watt (M) Union College	Macmillan, New York	C
Elements of General Biology	1936	X	Barrows, Henry R. d. 1935 (M) New York University	Farrar & Rinehart, New York	C
Our World of Living Things	1936	X	Heiss, Elwood D; Osborn, Ellsworth S; Manzer, J. Gordon	Webster Publishing Company, St. Louis, MO	HS
Everyday Problems in Biology	1936		Pieper, Charles J; Beauchamp, Wilber L; Frank, Orlin D	Scott, Foresman and Company, Chicago	HS
General Biology	1937	X	Kenoyer, Leslie A., Goddard, Henry N.	Harper & Brothers, New York	C
New Biology	1937	X	Smallwood, W. M; Reveley, Ida L; Bailey, Guy A	Allyn and Bacon, Boston	HS
New Introduction to Biology	1938		Kinsey, Alfred C	Lippincott, Chicago	HS
Adventures with Living Things	1938	X	Kroeber, Elsbeth; Wolff, Walter H	D. C. Heath, Boston	HS
Biology: a Revision of Biology for Beginners	1938	X	Moon, Truman J; Mann, Paul B	Holt, New York	HS
Exploring Biology	1938	X	Smith, Ella Thea	Harcourt, New York	HS
A Biology of Familiar Things	1939		Bush, George L; Dickie, Allan; Rukle, Ronald C	American Book Company, New York	HS
Human Biology	1940		Baitsell, George Alfred (M) 1885-1971 Yale Bio	McGraw-Hill, New York	C
Man and the Living World	1940	X	Stanford, E. E (M) College of the Pacific, Stocton Junior College	Macmillan, New York	C
Biology	1940		Parshley, Howard M (M) Smith College Bio	John Wiley & Sons, New York	C
Living Things and You	1940	X	Downing, Elliot R; McAtee, Veva M	Lyons and Carnahan, Chicago	HS
Science of Living Things	1941		Clinton, Weymouth G	Holt, New York	HS
Biology: a Revision of Biology for Beginners	1941	X	Moon, Truman J; Mann, Paul B	Holt, New York	HS
Biology and Human Affairs	1941		Ritchie, John W	World Book Company, Yonkers-On-Hudson	HS
Man and the Biological World	1942	X	Rogers, J. Speed; Hubbell, Theodore H. (M); Byers, Francis C. University of Florida	McGraw-Hill, New York	C
General Biology for College	1942	X	Moment, Gairdner B. (M) Goucher College Bio (PDF)	D. Appleton-Century, New York	C
Biology The Science of Life	1943	X	MacDougall, Mary Stuart (F) Agnes Scott College; Hegner, Robert (M) Johns Hopkins	McGraw-Hill, New York	C
Dynamic Biology Today	1943		Baker, Arthur O; Mills, Lewis H	Rand McNally, New York	HS
Everyday Biology	1943		Curtis, Francis D; Caldwell, Otis W; Sherman, Nina Henry	Ginn, Boston	HS
Exploring Biology	1943	X	Smith, Ella Thea	Harcourt, New York	HS
Man and His Biological World	1944	X	Jean, Frank Covert (M); Harrah, Ezra Clarence (M); Herman, Fred Louis (M); Colorado State College and Powers, Samual Ralph (M) Columbia	Ginn, Boston	C
Biology and Man	1944	X	Gruenberg, Benjamin C; Bingham, N. Eldred	Ginn, Boston	HS
General Biology (Revised Edition)	1945	X	Kenoyer, Leslie A., Goddard, Henry N.	Harper & Brothers, New York	C
Biology for Better Living	1946		Bayles, Ernest E; Burnett, R. Will	Silver Burdett Company, New York	HS
Biology: a Revision of Biology for Beginners	1946	X	Moon, Truman J; Mann, Paul B	Holt, New York	HS
Biology for You	1946	X	Vance, B. B; Miller, D. F	Lippincott, Chicago	HS
Modern Biology	1947		Moon, Truman J; Mann, Paul B; Otto, James H	Holt, New York	HS
American High School Biology	1948	X	Grant, Charlotte L.; Cady, H. Keith; Neal, Nathan A.	Harper & Brothers	HS
Biology and Human Affairs	1948		Ritchie, John W	World Book Company, Yonkers-On-Hudson	HS
Elements of Biology	1948	X	Smallwood, W. M; Reveley, Ida L; Bailey, Guy A; Dodge, Ruth A	Allyn and Bacon, Boston	HS
Biology and its Relation to Mankind	1949	X	Winchester, A. M (M) John B. Stetson University	D. Van Norstrand Company, New York	C
Life Science	1949	X	de Laubenfels, M. W (M) 1894-1960 University of Hawaii (later Orgegon State College)	Prentice-Hall	C
The World of Life	1949	X	Pauli, Wolfgang F (M) Bradford Junior College	Houghton Mifflin, Boston	C
College Zoology	1949	X	Hunter, George W. III, Hunter, F. R.	W. B. Saunders, Philadelphia	C
Exploring Biology	1949		Smith, Ella Thea	Harcourt, New York	HS
General Biology for College	1950		Moment, Gairdner B. (M) Goucher College Bio (PDF)	D. Appleton-Century-Crofts, New York	C
Biology	1950	X	Villee, Claude A. (M) Bio	W. B. Saunders, Philadelphia	C
Adventures with Animals and Plants	1950	X	Kroeber, Elsbeth; Wolff, Walter H	D. C. Heath, Boston	HS
Modern Biology	1951		Moon, Truman J; Mann, Paul B; Otto, James H	Holt, New York	HS
Man and His Biological World	1952		Jean, Frank Covert (M); Harrah, Ezra Clarence (M); Herman, Fred Louis (M); Colorado State College and Powers, Samual Ralph (M) Columbia	Ginn, Boston	C
Elements of Biology	1952	X	Smallwood, W. M; Reveley, Ida L; Bailey, Guy A; Dodge, Ruth A (lead author)	Allyn and Bacon, Boston	HS
Basic Biology for High Schools	1953		Fenton, Carroll Lane; Kamby, Paul E	Macmillan, New York	HS
Exploring Biology	1954		Smith, Ella Thea	Harcourt, New York	HS
Biology in Daily Life	1955		Curtis, Francis D; Urban, John	Ginn, Boston	HS
Biology in Our Lives	1955		Hunter, George W; Hunter, F. R	American Book Company, New York	HS
Biology	1956		Brown, Relis B. (M) Lawrence College	D. C. Heath, Boston	C
Modern Biology	1956		Moon, Truman J; Mann, Paul B; Otto, James H	Holt, New York	HS
Biology and its Relation to Mankind	1957		Winchester, A. M (M) Colorado State College	D. Van Norstrand Company, New York	C
Biology	1957		Villee, Claude A. (M) Bio	W. B. Saunders, Philadelphia	C
Life	1957		Simpson, George Gaylord; Pittendrigh, Colin S.; Tiffany, Lewis H	Harcourt, New York	C
Biology	1957		Krober, Elsbeth; Wolff, Walter H; Weaver, Richard L	D. C. Heath, Boston	HS
Principles of Biology (2nd Ed.)	1958		Whaley, William Gordon; Breland, Osmond P.; Heimsch, Charles; Phelps, Austin; Schrank, A. R.	Harper & Brothers, New York	C
Biology : The Living World	1958		Curtis, Francis D; Urban, John	Ginn, Boston	HS
Biology for You	1958	X	Vance, B. B; Miller, D. F	Lippincott, Chicago	HS
New Dynamic Biology	1959		Baker, Arthur O; Mills, Lewis H; Tanczos Jr., Julius	Rand McNally, New York	HS
Exploring Biology	1959		Smith, Ella Thea	Harcourt, New York	HS
Modern Biology	1960		Moon, Truman J; Otto, James H; Towle, Albert	Holt, New York	HS
Biology	1962		Villee, Claude A. (M) Bio	W. B. Saunders, Philadelphia	C
Your Biology	1962		Smith, Ella Thea; Lisonbee, Lorenzo	Harcourt, New York	HS
BSCS "Green Version" aka Biological Science: An Ecological Approach	1963		Bates, Marston; Kolb, Haven C (Supervisors)	Rand McNally, New York	HS
BSCS "Blue Version" aka Biological Science: Molecules to Man	1963		Deyrup, Ingrith; Welch, Claude (Supervisors)	Houghton Mifflin, Boston	HS
Modern Biology	1963		Moon, Truman J; Otto, James H; Towle, Albert	Holt, New York	HS
BSCS "Yellow Version" aka Biological Science: An Inquiry Into Life	1963		Moore, John A (Supervisor); Glass, Bentley (Co-supervisor, though not credited as such)	Harcourt, New York	HS
Biology	1964		Frisch, Karl Von (Trans. by Jane M. Oppenheimer)	Harper & Row, New York	C
Biology and its Relation to Mankind	1964		Winchester, A. M (M) Colorado State College	D. Van Norstrand Company, New York	C
Biology	1965		Kroeber, Elsbeth; Wolff, Walter H; Weaver, Richard L	D. C. Heath, Boston	HS
Modern Biology	1965		Otto, James H; Towle, Albert	Holt, New York	HS
Exploring Biology	1966		Smith, Ella Thea; Lawrence, Thomas Gordon	Harcourt, New York	HS
Biology	1967		Villee, Claude A. (M) Bio	W. B. Saunders, Philadelphia	C
BSCS "Yellow Version" aka Biological Science: An Inquiry Into Life	1968		Moore, John A (Supervisor)	Harcourt, New York	HS
Modern Biology	1969		Otto, James H; Towle, Albert	Holt, New York	HS
Biology	1972		Villee, Claude A. (M) Bio	W. B. Saunders, Philadelphia	C
Biology: A Full Spectrum	1973		Moment, Gairdner B. (M) Goucher College Moment, Gairdner B. (M) Goucher College Bio (PDF); Habermann, Helen M (F) Goucher College	The Williams & Wilkins Company, Baltimore	C