Schweitzer, Albert. (1875–1965) "...that you will regret one day to have deferred its publication" – Autograph letter and secretarial letter, both signedTwo letters of the Alsatian physician, theologian, philosopher, organist and musicologist to G. Schirmer, Music Publishers, New York. 1. Secretarial letter signed, dated Strasburg [sic], March 3, [19]20. In English. 1 p. In full: "Dear Sir, Your letter of January 1st reached me on the return from a concert trip to Spane [sic]. If I had known that the publication of the three volumes of chorals [sic] would be deferred, I should not have hurried to do