72. An Encyclopedia of the history of technology

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: Technology -- History

Classification :
BibT15
.
E53
1990

75. An encyclopedia of language

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: Language and language,Linguistics

Classification :
BibP106
.
A46
1990