Harry Edwin Jaques , 1941 How to know the insects; an illustrated key to the more common families of insects, with suggestions for collecting, mounting and studying them. His Pictured-key nature series Mt. Pleasant, Ia.,The author Full text online hereنسخة محفوظة 01 ديسمبر 2017 على موقع واي باك مشين.
Charles Valentine Riley, 1892 Directions for collecting and preserving insects Bulletin (United States National Museum) no. 39, pt. F. Washington,Govt. Printing Off. Full text online hereنسخة محفوظة 25 يوليو 2017 على موقع واي باك مشين.
Hongfu, Zhu, 1949 How to know the immature insects; an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them, by H. F. Chu. Pictured key nature series Dubuque, Iowa,W. C. Brown Co.Full text online hereنسخة محفوظة 23 أغسطس 2017 على موقع واي باك مشين.
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Harry Edwin Jaques , 1941 How to know the insects; an illustrated key to the more common families of insects, with suggestions for collecting, mounting and studying them. His Pictured-key nature series Mt. Pleasant, Ia.,The author Full text online hereنسخة محفوظة 01 ديسمبر 2017 على موقع واي باك مشين.
Charles Valentine Riley, 1892 Directions for collecting and preserving insects Bulletin (United States National Museum) no. 39, pt. F. Washington,Govt. Printing Off. Full text online hereنسخة محفوظة 25 يوليو 2017 على موقع واي باك مشين.
Hongfu, Zhu, 1949 How to know the immature insects; an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them, by H. F. Chu. Pictured key nature series Dubuque, Iowa,W. C. Brown Co.Full text online hereنسخة محفوظة 23 أغسطس 2017 على موقع واي باك مشين.
