by Rinck, C, Guidry, J, Calkins, C F
Published in American journal of mental retardation (01.05.1989)

by Calkins, F. C
Published in Journal of chemical education (01.12.1946)

by Calkins, F. C.
Published in Science (American Association for the Advancement of Science) (10.12.1937)

by Davidson, Philip W., Calkins, Carl F., Griggs, Peter A., Sulkes, Stephen B., Burns, Christine M., Chandler, Cristine L., Bennett, Francis
Published in Research in developmental disabilities (1987)

by Downing, R E, Whitehead, T D, Terre, L, Calkins, C F
Published in Behavior research methods, instruments, & computers (01.05.1999)

by Calkins, F. C.
Published in The Journal of geology (01.02.1917)

by Walker, Roland, Seifriz, William, Ketcham, Henry Hendricks, Mateer, Florence, Calkins, Frank C., Wells, F. L., Appleby, Arron
Published in Science (American Association for the Advancement of Science) (31.10.1952)

by Calkins, F. C.
Published in Science (American Association for the Advancement of Science) (10.12.1937)

by Johannsen, Albert, Calkins, F. C.
Published in The Journal of geology (01.05.1914)

by Johannsen, Albert, Calkins, F. C.
Published in The Journal of geology (01.02.1914)

by Johannsen, Albert, Calkins, F. C.
Published in The Journal of geology (01.07.1911)

by Sanddal, N D, Calkins, C F
Published in The EMT journal (01.12.1980)

by Calkins, C F, Perkins, M C
Published in CONCORDIA HISTORICAL INSTITUTE QUARTERLY (U.S.A.) (01.01.1980)

by Calkins, Frank C.
Published in Science (American Association for the Advancement of Science) (15.04.1955)

by Johannsen, Albert, Schaller, W. T., Calkins, F. C.
Published in The Journal of geology (01.02.1911)

by Calkins, Frank C., Struck, Herman R.
Published in Science (American Association for the Advancement of Science) (15.10.1954)

by Trager, George L., Calkins, Frank C.
Published in Science (American Association for the Advancement of Science) (26.05.1950)

by Johannsen, Albert, Calkins, F. C., Brokaw, Albert D., Russell, Clarence W.
Published in The Journal of geology (01.07.1910)

by Calkins, Frank C., Malkiel, Saul, Lawthers, Robert J., Edison, Ann O., Clemence, G. M., Herget, Paul
Published in Science (American Association for the Advancement of Science) (24.03.1944)

by Mateer, Florence
Published in Science (American Association for the Advancement of Science) (31.10.1952)