1. A 30-Year Retrospective on Panzar’s Seminal Paper. In Pier Luigi Parcu & Timothy Brennan (Eds.),The Postal and Delivery Contribution in Hard Times. Springer Publishers, Forthcoming 2022.
2. Anderson, S., Klinger, S., and Brian Wakamo. (2019): How Congress Manufactured a Postal Crisis—And How to Fix it. Institute for Public Studies. Available at https://ips-dc.org/how-congress-manufactured-a-postal-crisis-and-how-to-fix-it/
3. Annex I PSD. (2008): EUR-LEX. Available at https://eur-lex.europa.eu/search.html?scope=EURLEX&text=Annex+I+PSD%2C+2008&lang=en&type=quick&qid=1659022120718
4. Bluhm, P., and Phyllis B. (2009): Carriers of Last Resort: Updating a Traditional Doctrine. National Regulatory Research Institute. Available at https://pubs.naruc.org/pub/FA864A19-A48B-267A-3893-A310062183C4
5. Casper, J. (2021): Federal Government Devotes Billions to Internet Access: A Community Guide to Current Broadband Funding. Community Networks Available at https://muninetworks.org/content/federal-government-devotes-billions-internet-access