Guy Ervin
Published: 1931
Total Pages: 48
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This bibliography is believed to be reasonably complete as regards publications issued by the federal government and State agencies and includes a considerable number of references from other sources. The material has been classified according to subjects, the subject matter index of this department being used as a guide. Within each subject the references are arranged alphabetically by authors. Each reference has been given a number for convenience in cross referencing. Cross references, when given, are placed at the end of the sections.