OJ 11/54, [12] Handwritten letter from van Hoboken to Schenker, dated January 28, 1927

Hoboken had to cancel his planned visit to John Petrie Dunn because of illness. — He reports on library visits in London and Paris, discusses manuscripts and conditions for photography, purchases. — He plans no further trips this season.

Diary entry by Schenker for 31 May 1929