How to pronounce Peter Herman Adler in English?

RARE "Or sai chi l'onore" (Now you know who tried) Leontyne Price NEW YORK 10.04.1960 IN ENGLISH

Resta, o cara! (1993 Remastered)

CAVALLERIA RUSTICANA in English 1960 w. David POLERI

OPERA IN THE PARK

Tosca 1955 English (Leontyne Price, Poleri, Wheeler - Adler) Abridged

Ch'io mi scordi di te, K. 505 (1993 Remastered)