Maretzek, Max.
Revelations of an opera manager in 19th-century America : Crotchers and quavers & sharps and flats : 2 volumes Bound as one /
with a new introduction by C. Haywood 
. - New York  : Dover Publications, Inc. ,  1968 
. - XXXII, 346, 94, 16 p.  ill.  22 cm.