BY U.P. HEDRICK
state of New York - Department of agriculture
Report of the New York Agricultural experiment station for the year 1921
Extraits - Extracts
DESCRIPTIONS :
Joséphine de Malines PAGES 179, 180
Kieffer's Seedling PAGES 180, 181, 182
PLANCHES - PLATES Jargonelle Kieffer's Seedling