Letter (in German) from Arthur Friedheim to his wife, Madeleine; written while Friedheim was teaching in Toronto.

Letter from Frani Muser (managing editor of the journal Modern Music) to Henry and Sidney Cowell, thanking them for their article on Schillinger but noting that "we must warn you that considerable cutting was necessary - ...

Letter from composer Henry Cowell to Frances Schillinger, advising her on possible publishing houses with which to place her late husband's work: "What to do now should be given careful thought, and is partly owing to what ...

Letter (in German) from Arthur Friedheim to his wife, Madeleine; written while Friedheim was teaching in Toronto.

Letter (in German) from Arthur Friedheim to his wife, Madeleine; written while Friedheim was teaching in Toronto.

Letter (in German) from Arthur Friedheim to his wife, Madeleine; written while Friedheim was teaching in Toronto.

Letter from composer Henry Cowell to Frances Schillinger thanking her for "reprinted notices - send me any and all there are!"

Letter from Russian scientist Léon Thérémin to Frances Schillinger (typed manuscript of original handwritten note) discussing both Joseph Schillinger and composer Henry Cowell.

Letter from composer Henry Cowell to Frances Schillinger: "I'll do all the work I can for the SYSTEM on the West coast."

Letter from composer Henry Cowell to Frances Schillinger, giving advice on publishing Joseph Schillinger's work.