21. The "Apollo" of aeronautics :

Author:

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Aircraft Energy Efficiency Program (U.S.)-- History.,Aircraft Energy Efficiency Program (U.S.),Aerodynamics-- Research-- United States-- History-- 20th century.,Airplanes-- Fuel consumption-- Research-- United States-- History-- 20th century.,Jet engines-- Research-- United States-- History-- 20th century.,Aerodynamics-- Research.,United States., 7

Classification :
TL704
.
7
.
B634
2009

22. The structure of American economy, 1919-1939: an epirical application of equilibrium analyssi

Author:

Library: Library of the Faculty of Economics University of Tehran (Tehran)

Subject: U.S.-Econ. condit.-1918-,U.S.-Indus,Prices-U.S,U.S.-Stat

Classification :
HC
106
.
3
.
L3945
1951

23. Trade union membership, 1897-1962

Author:

Library: Library of the Faculty of Economics University of Tehran (Tehran)

Subject: Trade-Union-U.S.-Stat

Classification :
H
11
.
N2432
no
.
92

24. U. S. Census of agriculture: 1959 final report

Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)

Subject: Agriculture - U. S. - Stat

Classification :
HD1753
1959d

25. اتاقی که در آن اتفاق افتاد

Author:

Library: Central Library and Documents Center of Tehran University (Tehran)

Subject: بولتن,Bolton,، جان آر.,, John R.,، ۱۹۴۸- م.,, 1948-,a01,a01,ba,شورای امنیت ملی ایالات متحده,National Security Council (U.S.),ایالات متحده,United States,. معاونت رییس جمهور در امور امنیت ملی, . Assistant to the President for National Security Affairs,nli,a01,a01,a02,a02,ba,ba,سیاستمداران,Politicians, -- خاطرات, -- Diaries, -- ایالات متحده, -- United States,a01,a01,ایالات متحده,United States,ایالات متحده ,United States, -- سیاست و حکومت, -- Politics and government, -- روابط خارجی, -- Foreign relations, -- ۲۰۱۷ م- , -- 2017-, -- ۲۰۱۷م. -, -- 2017-,nli,nli,a01,a01,a02,a02

Classification :
UA
۲۳
/
ب
۹
الف
۲ ۱۳۹۹