Manfred Mann's Earth Band | Manfred Mann | Manfred von Richthofen | Manfred Krug | Manfred von Brauchitsch | Manfred Schneckenburger | Manfred Nowak | Manfred Reyes Villa | Manfred Krifka | Manfred Kaltz | Manfred Hoeppner | Manfred | Manfred Trojahn | Manfred Stohl | Manfred Steger | Manfred Stahnke | Manfred Rommel | Manfred Ohrenstein | Manfred Mohr | Manfred Lahnstein | Manfred Gurlitt | Manfred F.R. Kets de Vries | Manfred Ewald | Manfred Eigen | Manfred Curry | Manfred Clynes | Manfred Zapatka | Manfred Wörner | Manfred Wolf | Manfred Trenz |
A letter separate from the Newsletter signed by the aforementioned four, but also Manfred Bukofzer, Frances Densmore, Mieczslaw Kolinksi, Curt Sachs (who worked alongside Hornbostel), Harold Spivacke, and Richard Waterman, was sent to about 70 individuals.