University of Delaware Library:
Dingee & Conard Company, 1901
University of Delaware Library:
Landreths' Seed Catalogue, 1902
University of Delaware Library:
D. M. Ferry & Co's poster, ca. 1900
University of Delaware Library:
Burpee's Farm Annual, 1886
University of Delaware Library:
Myer & Son Bridgeville Nurseries, 1901
University of Delaware Library:
Crosman Bros' poster, ca. 1870
University of Delaware Library:
The Geo. H. Mellen Co., 1904