Pears
Gould, H.P.
Pears Production estimates and important commercial districts and varieties - Washington 1920 - 1-16 p. - Production, Varieties, Commercial United States Department of Agriculture. Bulletin No. 822 .
Pears Production estimates and important commercial districts and varieties - Washington 1920 - 1-16 p. - Production, Varieties, Commercial United States Department of Agriculture. Bulletin No. 822 .