Jacques R. Helfer

Jacques R. Helfer’s Followers

None yet.

Jacques R. Helfer

Combine Editions
Jacques R. Helfer’s books

Average rating: 3.75 · 4 ratings · 0 reviews · 8 distinct works

	How to know the rocks and minerals (Pictured key nature series) 3.67 avg rating — 3 ratings — published 1970 — 4 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	How to Know the Grasshoppers, Cockroaches, and Their Allies really liked it 4.00 avg rating — 1 rating — published 1953 — 12 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	How to Know the Grasshoppers, Cockroaches, and Their Allies 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	HOW TO KNOW THE GRASSHOPPERS, COCKROACHES AND THEIR ALLIES. PICTURED-KEYS FOR IDENTIFYING MANY OF THE GRASSHOPPERS, CRICKETS, KATYDIDS...IN NORTH AMERICA, NORTH OF MEXICO. 0.00 avg rating — 0 ratings — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	The Natural History of Mendocino 0.00 avg rating — 0 ratings — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	PIctured Key Nature SEries HOw To Know _ The Grasshoppers, Cockcroaches And Their Allies 0.00 avg rating — 0 ratings — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	How to Know the Rocks and Minerals [ 1970 ] Pictured Key Nature Series 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	How to Know the Grasshoppers, Cockroaches, and their Allies (Pictured Key Nature Series) 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

More books by Jacques R. Helfer…

Is this you? Let us know. If not, help out and invite Jacques to Goodreads.