Frits van Engeldorp Gastelaars Collection

Photocopies of the original handwritten letters and of typed versions of the letters from Max Horkheimer to Rose 'Maidon' Christine Riekher 1916-1918; photocopies of typed versions of the correspondence between Horkheimer and Walter Benjamin 1934-1940; photocopies of the original handwritten correspondence and of typed versions of the correspondence between Horkheimer and Theodor W. Adorno, with copies of articles by Adorno and Friedrich Pollock, 1941-1957; typescript of conversations between Horkheimer and Matthias Becker [1971] and n.d; typescript from Ernst von Schenck on Horkheimer n.d.; documents on research by Frits van Engeldorp Gastelaars on lif and work of Horkheimer 1987-1993.