The Philatelic West, published by L. T. Brodstone, Superior, NE. Organized by year. This copy courtesey of the Nebraska History Library (History Nebraska - formerly the Nebraska State Historical Society).
American Journal of Numismatics [First Series], American Numismatic Society
La description:
[76 p., 7 halftone pls. : 28 cm,Heavily annotated, bound by ANS in their brown cloth,"Contains the research notes of Q. David Bowers on the section dealing with Massachusetts cents and half cents and those of Walter Breen for the Connecticut and Vermont sections"]. American Numismatic Society copy.
Denver Mint records scanned at the National Archives (NARA) in Denver - covering the period 1909 - 1934. Record group 104. Information resource name and date range: “Record of Deposit Received by Mail Express, Apr. 1 1920 - Apr. 26, 1929.” Courtesy of John Graffeo.
NARA description: This series consists of records of deposits received by express mail. The records include the dates the mail was received, the amount of the deposit, and a brief description of the transaction.