Excerpt from An Index to Circulars 1 to 100 of the Bureau of Entomology For convenience the index itself is preceded by a list of circulars 1 to 100, with their

Excerpt from Check List of Publications on Entomology Issued by the United States Department of Agriculture Through 1927, With Subject Index The Library of the

Excerpt from An Index to Bulletins Nos. 1-30 (New Series) (1896-1901) Of the Division of Entomology Howard, L. O., II, 40; III; IV; VI, 13, 36, 74; VII, 40, 62;