Letters: S. B. Unsdorfer, London to M. V. Hay Letter, S. B. Unsdorfer, London to M. V. Hay. Concern extract from a posthuously published book by Rabbi Weissmandel ('Min Hameitzar'). Letter (copy), C. C. Aronsfeld to Rev. Dr J. W Parkes. Letter (copy) M. V. Hay to Dr Parkes. April - July 1961