This firm published light music in Munich from 1887. The composers were, among others, Freytag, Gung’l, Luther, Metra, Michaelis, Millöcker, Rixner, and Roos. Another, possibly related Lederer existed in Budapest.
Lederer's plate numbers were issued in a regular chronological fashion. Plate numbers are in the format of JL ###. Dates in italics are estimated.