The documentation for BF85f6-12 contains descriptive metadata regarding the datasets and their source material. Also included is version information, normalization steps taken, related datasets, usage license details, preferred citation, and attribution of labor.
"Post Office Accounts drawn out Nov. 1743" [Post Office Record Book No. 3] is a small volume of ca. 50 pages. It contains a list of names with amounts due with notes as to letters delivered, paid, etc. The names are abstracted from Post Office Ledger, No. 2 [B F85f6.11b].