Introduction contemporary civilization in the West a source book
Columbia University Press, 1946
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The Columbia-Viking desk encyclopedia : volume two, L-Z / compiled and edited at Columbia University by the staff of the Columbia Encyclopedia. William Bridgwater, editor-in-chief
compiled and edited at Columbia University by the staff of the Columbia Encyclopedia ; editor-in-chief, William Bridgwater
Viking Press, 1953
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The Columbia-Viking desk encyclopedia : volume one, A-K / compiled and edited at Columbia University by the staff of the Columbia Encyclopedia. William Bridgwater, editor-in-chief
compiled and edited at Columbia University by the staff of the Columbia Encyclopedia ; editor-in-chief, William Bridgwater
Viking Press, 1960
 Buku Referensi
The Columbia-Viking desk encyclopedia : volume two, L-Z / compiled and edited at Columbia University by the staff of the Columbia Encyclopedia. William Bridgwater, editor-in-chief
compiled and edited at Columbia University by the staff of the Columbia Encyclopedia ; editor-in-chief, William Bridgwater
Viking Press, 1960
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Kandel, I.L.
Educational yearbook of the International institute of teachers college columbia university
Columbia University Press, 1944
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