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U

Ultraviolet Light

Undelivered Mail

- Sudetenland

Undercover Addresses and Mail (see Clearing Houses.)

UNESCO

- Agricola, Georgius. 1494-1555

- Priessnitz, Vincenc. 1799-1851

- Royal Mining Rights

UNESCO Biosphere Reservation

- White Carpathian Mountains

UNESCO World Heritage Sites

- 1993

- - Prague

- 1994

- 1995

- 1998

- 2001

- 2002

- 2003

UNESCO World Heritage Sites [Czech]

- 1993

- - Břevnov Monastery [Brevnov Monastery]

UNICEF

- 1971

- - 60h Type II

- 1996

- 2000

Uniforms

- Sword

Union of Czech Mathematicians and Physicists

Union of Slovak Philatelists

United Nations

- 1995. 50th Anniversary

- - Czech

- - Slovak

United Nations. Relief and Rehabilitation Administration

Universal Postal Union (see also European Postal Union.)

- International Mails During and Following World War II

Universal Postal Union [Czech]

- 1994. 120th Anniversary Issue

- 1999. 125th Anniversary Issue

Universal Postal Union [Slovak]

- 1994. 120th Anniversary Issue

- 1999. 125th Anniversary Issue

- - Automation

- - Slovak Post Logo

- - Žilina University [Zilina University]

Universiade

Universities and Colleges (see also Academies; Conservatory of Music; Secondary Schools.)

- Comenius University. Bratislava

- Czech Technical University

- Czechoslovak College, Bishop's Stortford

- Košice [Kosice]

- - Technical University

- Prague

- - Conservatory of Music

- Trnava University

- University of Applied Arts, Prague

- Žilina University [Zilina University]

University Children's Hospital and Clinic

- Bone Marrow Transplant Unit

Úprka, Jóža. 1861-1940 [Uprka, Joza] (see Artists - Úprka, Jóža. 1861-1940.)

UPU (see Universal Postal Union.)

Ustí nad Labem [Usti nad Labem]

- 1993

Utamaro, Kitagawa. 1753-1806 (see Artists - Utamaro, Kitagawa. 1753-1806.)

Užhorod [Uzhorod]