English
11-156 p. ; 19 cm · To accompany The standard dictionary of facts, edited by H. W. Ruoff · Includes index
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Ebook · The standard question book and home study outlines · Ostrander, Lillian E, The Frontier Press Company (Buffalo, N.Y.), Ruoff, Henry Woldmar, 1867-1935, ed · Internet Archive
Encyclopedias and dictionaries