PaPHS publishes a quarterly journal (in February, May, August and November) called The Pennsylvania Postal Historian. The current issue is No. XXX?
(November 2012).

In addition to publishing the Historian each quarter, PaPHS has contributed to the authoring of several books and monographs by its members. Thus, members
John Kay and Chet Smith have researched and published Pennsylvania Postal History; members Thomas Mazza and Robert Leberman researched and published the
monograph Postal Markings on Stampless Mail from Warren County, Pennsylvania; and, Thomas Mazza has researched and published Postal Markings on Stampless
Mail from Erie County.