Postcards--Collectors and collecting--United States

Gordon A. Pfeiffer is a Delaware book, postcard, book art, and ephemera collector and an original founder of the Delaware Bibliophiles. The Gordon A. Pfeiffer Delaware postcard and ephemera collection comprises over 1500 postcards depicting Delaware cities and towns, landmarks and events, and advertisements of goods and services in the First State between 1860 and 2008. The collection also contains over 250 QSL broadcasting cards used for promotional purposes by state radio stations.

Gregory C. Wilson is a white collector and dealer of antiquarian material. The Gregory C. Wilson collection of postcards and trade cards depicting stereotypes of African Americans contains over 450 items, the majority of which are examples of negative stereotypes and racist portrayals of Black people in general and African Americans specifically.