LONG, Frederick  (fl 1856-57) Early American engraver,
            diesinker, New York City.
            Unknown if any of his work exists.

          B I O G R A P H I C A L  R E F E R E N C E S

D15 {1957} Groce and Wallace p 402.
BF2 {1999} Falk. Who Was Who in American Art, p 2:2053.