Currently, the best "one-source" work on the subject of makers marks is Dr.
Julian Toulouse's 1971 book entitled Bottle Makers and Their Marks. (Though long out of print there is a reprint available - click Bottle References for details.) In addition, David Whitten maintains an exceptionally useful website of bottle (and insulator) makers marks at this link:
For additional information, click Dating Page to go to the pertinent section of that describes the differences between these bottles.
Once you have determined which type bottle you have - or if you know already - click on one of the following links to move directly to that section of this page (there are numerous links back to this index scattered throughout the page): A.
Consult the IMACS website above if interested in the nomenclature of describing base profiles.