-
By: Helfer, J RType: ArticleIn: Bulletin of the Brooklyn Entomological SocietyVolume: 41Series: newIssue:Date: 1946Page Range: 105--109Publication Info: Brooklyn, N.Y, The Society,Subjects:
-
By: Helfer, J RType: ArticleIn: The Pan-Pacific entomologistVolume: 22Series:Issue:Date: 1946Page Range: 100--102Publication Info: San Francisco Pacific Coast Entomological SocietySubjects:
-
By: Helfer, J RType: ArticleIn: The Pan-Pacific entomologistVolume: 28Series:Issue:Date: 1952Page Range: 188--191Publication Info: San Francisco Pacific Coast Entomological SocietySubjects:
-
By: Helfer, J RType: ArticleIn: Bulletin of the Brooklyn Entomological SocietyVolume: 42Series: newIssue:Date: 1948Page Range: 140--141Publication Info: Brooklyn, N.Y, The Society,Subjects:
-
By: Helfer, J RType: ArticleIn: The Pan-Pacific entomologistVolume: 29Series:Issue:Date: 1953Page Range: 34--36Publication Info: San Francisco Pacific Coast Entomological SocietySubjects: