Geology Emerging: A Catalog Illustrating the History of Geology (1500-1850) From A Collection in ...

U and I; 1940

U and I; 1992

U and I; 1962

U and I; 1952

U and I; 1985

U and I; 1941

U and I; 1981

U and I; 1931

U and I; 1932

U and I; 1940

U and I; 1946

U and I; 1950

University of Illinois at Urbana-Champaign: Graduate College ..; 1907 08

U and I; 1935

U and I; 1947

U and I; 1942

U and I; 1963

U and I; 1930

U and I; 1967

U and I; 1991

U and I; 1949

University of Illinois at Urbana-Champaign: Graduate College ..; 1978 80

U and I; 1968

U and I; 1961

University of Illinois at Urbana-Champaign: Graduate College ..; 1916 17-1921 22

U and I; 1987

U and I; 1945

U and I; 1939

U and I; 1964

U and I; 1976

U and I; 1956

U and I; 1944

U and I; 1980

U and I; 1973

U and I; 1937

U and I; 1959

U and I; 1953

U and I; 1991

U and I; 1951

U and I; 1952

U and I; 1994

U and I; 1972

This work has been selected by scholars as being culturally important and is part of the knowledg...

U and I; 1989

U and I; 1938

U and I; 1948

U and I; 1934