Correspondence and research papers (unannotated reprints of scientific discussion papers have been removed to the library otherwise publication details have been noted and indexed).

People, places and research topics discussed:

• folder marked 'Haifa' containing
  
  
• folder marked 'Israel South Red Sea expedition' containing
  
  
• research notes dated April 1992 to February 1993
  
  
• research notes "Ptychodera" dated 6 April 1992
  
  
• correspondence to Prof. Y Benayahu dated 7 October 1992 Prof. Y Loya
  
  
• research notes "The Hemichordata of ISRSE"
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 7 August 1963 Prof. Steinitz, Ptychodera, Eilath, South Red Sea expedition, Nocra Island, Entedebir, Abiad Bay
  
  
• correspondence on Department of Zoology letterhead from H Steinitz dated 13 March 1963 Ch Lewinsohn
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 10 June 1965 Ptychodera report
  
  
• correspondence to Prof. Steinitz dated 22 February 1963 Enteropneust material Entedebir Island
  
  
• correspondence on Department of Zoology letterhead from H Steinitz dated 14 February 1963 Ptychodera, Dr S Prudhoe, British Museum, Nemerteans
  
  
• correspondence on Department of Zoology letterhead from H Steinitz dated 1 December 1962 Enteropneust, Mr Ch Lewinshon
  
  
• correspondence to Prof. Steinitz dated 8 February 1963, ISRSE, Gulf of Aqaba, Entedebir Island, Nemertean, Koseir, Djibonti
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 20 January 1963 Prof. Steinitz and listing specimens despatched
  
  
• research notes dated 5 February 1963
  
  
• correspondence on Department of Zoology letterhead from Dr Lev Fishelson dated 7 April 1966 Ptychodera
  
  
• correspondence to Ch Lewinsohn dated 14 April 1966 ISRSE Ptychodera report
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 3 April 1966 ISRSE Ptychodera report
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 19 February 1964 Ptychodera, Eilath, Abiad Bay, Entedebir
  
  
• correspondence on Department of Zoology letterhead from Ch Lewinsohn dated 7 August 1963 Prof. Steinitz, Ptychodera, Eilath, ISRSE, Entedebir, Abiad Bay, Nocra Island