How to make a collection of the insects

Manylion Llyfryddiaeth
Prif Awdur:	Post, Richard L.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Bismarck, North Dakota State Dept. of Public Instruction 1963.
Pynciau:	Insects > Collection and preservation. Insect identification.