The new military and naval dictionary,

Encyclopedia of library and information science.

Van Nostrand's scientific encyclopedia.

McGraw-Hill encyclopedia of science & technology.

Biographical dictionary of the Left,

International encyclopedia of the social sciences.

Dictionary of philosophy and psychology, including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education, and giving a terminology in English, French, German, and Italian,