To conserve space and avoid repetition in the References list after every article in The Roadrunner, certain "Standard References" will not be listed. Standard References include the two catalogs shown below, and these other references:
McBride, Lawrence G., ed. 2021. Arizona Territorial Postmark Catalog, 13th Edition. A&NMPHS. (Also Standard are the references shown on page 10 of the catalog.)
Conley, Robert L., ed. 2022. New Mexico Territorial Postmark Catalog, 11th Edition. A&NMPHS.
Helbock, Richard W. 1981. Post Offices of New Mexico. Las Cruces: self-published.
Julyan, Robert. 1996. The Place Names of New Mexico. Albuquerque: University of New Mexico Press.
Towle, Charles L. 1981. The Catalog of New Mexico Railway Postal Markings. Las Cruces: self-published.
Also considered a Standard Reference is the premier philatelic reference to United States stamps:
Bigalke, Jay, ed. 2024. Scott Specialized Catalogue of United States Stamps and Covers, 102nd Edition. Sidney, OH: Scott Publishing Co.
All other references used in preparing articles are considered "Non-Standard References” and will continue to be cited following the article. The list of Standard References is available from the Editor upon request.