Clavis commercii: or, The key of commerce
Subtitle: shewing, the true method of keeping merchants books, after the Italian manner of debtor and creditor ...
By: By J.H. of London, merchant
Edition: The 2d ed., cor. and amended by John Rayner.
Publisher: Printed for E. Tracy and J. Wyat
Published: 1704
Place of publication: London
Language: eng
Number of pages: 190
Subjects: Bookkeeping
Other titles: Key of commerce
Notes: "The calendar ... of the ledger," p. 1-20 at end numbered in duplicate.

"The epistle to the reader" signed: John Hawkins.