1. An outline of the universe
Author: /By J.G.Crowther.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: علوم
Classification :
Q
۱۶۲
/
ک
۴
الف
۸ ۱۳۱۷
2. Discoveries and inventions of the 20th century
Author: / by J. G. Crowther.,کراوذر,Crowther
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: اختراعات
Classification :
T
۲۰
/
ک
۴
د
۹ ۱۳۳۴
3. Famous American men of science
Author: / by J .G .Crowther,Crowther
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject:
Classification :
Q
127
.
U6C76
4. Industry and education in soviet Russia
Author: / by J. G Crowther,Crowther
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Technical education -- Russia,Industry and state -- Russia,Russia -- Idus
Classification :
T
135
.
C7
