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			1 | 
		
			
									
						An introduction to literature & the fine arts East Lansing, Mich. : Michigan State College Press, 1950
					
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			2 | 
		
			
									
						An introduction to probability theory and its applications / Vol. 1. 1950
					
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			3 | 
		
			
									
						Dating the past Zeuner, Frederick Everard. - London : Methuen, 1950, 2. ed., rev. and enlarged
					
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			4 | 
		
			
									
						Introduction to linear algebra and the theory of matrices Schwerdtfeger, Hans. - Groningen : Noordhoff, 1950
					
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			5 | 
		
			
									
						Introduction to social psychology Friedman, Otto. - London : Sylvan Press, 1950
					
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			6 | 
		
			
									
						The question of lay analysis Freud, Sigmund. - New York, NY : Norton, 1950, 1 ed.
					
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			7 | 
		
			
									
						Toldot ha-madaʿ Jammer, Max. - Yerushalayim : Hotsaʼat  Ḳiryat-sefer be-ʿE.m, 711 = 1950
					
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			8 | 
		
			
									
						Introduction to psycho-analysis for teachers Freud, Anna. - London : Allen & Unwin, 1949, 2. impr.
					
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			9 | 
		
			
									
						Introduction to radiochemistry Friedlander, Gerhart. - New York : Wiley, 1949
					
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			10 | 
		
			
									
						Introduction to the theory of finite groups Ledermann, Walter. - Edinburgh : Oliver and Boyd, 1949, 1. publ.
					
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