Richard Helbock: 9 books

The seventh volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The first volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

At the dawn of the age of air mail communications, the US Post Office Department forged new alliances with European air lines that would enable Americans to speed up delivery of their mail to and from distant places overseas. This is the story of those alliances told in a chronological way and copiously...

The eighth volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The fifth volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The sixth volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The third volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The second volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.

The fourth volume in a set of eight that comprises an alphabetical listing of the over 166,000 post offices that have ever operated in the 50 United states from 1776 to date. The listing for each office contains a county location, dates of operation and a Scarcity Index (S/I) value that offers postmark collectors with a guide to the relative value of postmarks from that post office.