Não informado. (1951). List of books accessioned and periodical articles indexed in the Columbus Memorial Library. Pan American Union.
Citace podle Chicago (17th ed.)Não informado. List of Books Accessioned and Periodical Articles Indexed in the Columbus Memorial Library. Washington: Pan American Union, 1951.
Citace podle MLA (8th ed.)Não informado. List of Books Accessioned and Periodical Articles Indexed in the Columbus Memorial Library. Pan American Union, 1951.
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