Representative selection of many books found in major libraries from all areas and periods of the 1700's through the 1900's on general not specific topics. The indexing is arranged by subject with liberal cross-references. Library of Congress, General Reference and Bibliography Division. Guide to the Study of the United States of America. The Division, 1976.
Annotations judge the contributions of works and cite related titles.
Covers works published through 1960. National Historical Publications and Records Commission. Directory of Archives and Manuscript Repositories in the United States. Oryx Press, 1988. Locates primary source materials housed in historical societies, libraries, associations, etc.