Abstract |
The material contained in this bibliography was published during the period 1940-1948 and was obtained from the following sources: Agricultural Index, Bibliographic Index, Cumulative Book Index, Engineer Index, Industrial Arts Index, International Index, New York Times Index (selected items), Public Affairs Information Service, Public Health Engineering Abstracts, Readers Guide to Periodical Literature, U. S. Army Medical Library Index, and Vertical File Service. Over 700 citations are included. |