For primary background information for this lesson, please preview the following Historical Marker Pages on ExplorePAHistory:

Rural Free Delivery
W. Atlee Burpee

For an additional collection of Burpee seed catalog images, see the Agriculture Story Image Gallery on this website at displaygallery.php?gallery_id=31.

The following websites also provide helpful background information on W. Atlee Burpee and his mail-order seed business: