The correspondence includes letters from: Jaynie Anderson, Giles Barber, Luciano Berio, Hermann Blaschko, Tilo Brandis, Edward Higginbottom, Daniel Kestenbaum, Raymond Klibansky, Lewis H. Miller Jr., Andreas W. Mytze, Harold Soref, Ernest Ettinghausen, Ariel Muzicant, Harvey Sarner, Frederick Sternfeld, Nicholas G. Stogdon, Leofranc Holford-Strevens, Richard Usborne, Patrick Waddington, Tamara Wyss and many antiquarian houses.