Tác giả
Biological Sciences Curriculum Study
2
Brigham, Albert Perry, 1855-1932
2
Anderson, Richard C.
1
Bement, Alon, 1878-
1
Bingham, N. Eldred (Nelson Eldred), 1901-
1
Buckelew, Sarah F. (Sarah Frances), 1835-
1
Draper, John William, 1811-1882
1
Elementary School Science Project
1
General Programmed Teaching Corporation
1
Gruenberg, Benjamin C. (Benjamin Charles), 1875-1965
1
Hitchcock, Edward, 1793-1864
1
Hitchcock, Edward, 1828-1911
1
Hofstein, Sadie
1
Hunt, Arthur Ellsworth
1
Learning Incorporated
1
Lewis, Margaret W. (Margaret Wiseham), 1837-
1
Morrison, Thomas F. (Thomas Fairchild), 1901-
1
Peabody, James Edward, b. 1869
1
Ryan, Arnold W.
1
Scott, Foresman and Company
1
Starr, Isidore
1
Steinberg, Samuel, 1899-
1
Wilson, Mitchell
1
Wolfson, Albert
1