ENCYCLOPEDIAS FOR ACCORDIONISTS

Alfred D'Auberge, Alfred.  The accordionist's encyclopedia of musical
	knowledge,   N[ew] Y[ork] O. Pagani & bro. [c1936]
 
Jean Heinrich Lobel.  Akkordeon-lexikon.   Berlin, Schulenburg & co.,
	1937.
 
Joseph Macerollo.  Accordion resource manual / Joseph Macerollo.
	[Willowdale, Ont.] : Avondale Press, c1980.