• Variable 1: T=P.J. Tonger. G=Carl GrĂ¼ninger.
  • Variable 2: Year of publication (optional).
  • Variable 3: Issue number for that year (optional).
  • Variable 4: Plate number without prefix for Tonger but with prefix for GrĂ¼ninger -- either C.G. or N.M.-Z. (optional).

Usage example:


will display:

Neue Musik-Zeitung, 1881, No.3.
Cologne: P.J. Tonger, 1881. Plate P.J.T. 2224.