Chicago Lyric Opera & Met Opera - Slides & Negatives Collection Maria Callas Programs whose most famous piece is

whose most famous piece is the song "Sing me to Sleep"

shown as Siegmund in Wagner's Die Walkure at the Bayreuth Festival

minor damage on borders and small missing piece of paper over the top left corner

Albert Einstein autographs are among the most sought-after science autographs

Chicago Lyric Opera & Met Opera - Slides & Negatives Collection Maria Callas Programs whose most famous piece isGorgeous collection of over 400 items including 300+ slides and negatives from Chicago Lyric Opera between 1950 1960 belonging to photographer Nancy Sorensen, 17 envelopes with negatives and slides, and other 70 slides from The Metropolitan Opera. SOLD TOGETHER, NOT SOLD SEPARATELY.