These maps are available free to libraries until May 18. There are US and non-US maps. US postage will be paid, but not to requests sent outside of the United States. There are some US and non-US maps.
https://psu.box.com/s/zcr20njl87aqbbg2b7tstff6lu4d9vpp
Send requests to:
Jenny Livsey
[log in to unmask]
Jenny Livsey
Maps Library Assistant, Donald W. Hamer Maps Library
Penn State University Libraries
1 Pattee Library
University Park, PA 16802