Science in the 19th Century Periodical

US Department of War—Weather Bureau

Underground Railway Company

United Kingdom Alliance

United Kingdom Temperance Alliance

United Services Museum

United States Chemical Laboratory

United States Corps of Topographical Engineers

United States Department of Agriculture

United States Eclipse Expedition to West Africa

United States Sanitary Commission

United States Signal Service State, Pike's Peak

Universal Peace Congress (1850), Frankfurt

Università degli Studi di Padova

Universität Dorpat

Université de Sorbonne

Universiteit Gent—Museum Voor Dierkunde

Universiteit Leiden

University College Hospital Medical School

University College London

University College School

University of Aberdeen

University of California—Lick Observatory

University of California

University of Cambridge

University of Cambridge—Botanic Garden

University of Cambridge—Press

University of Chicago

University of Columbia

University of Columbia—School of Mines

University of Edinburgh

University of Glasgow

University of Glasgow—Library

University of Göttingen

University of Hamburg

University of Harvard—Observatory

University of Heidelberg

University of Leiden

University of London

University of London—Brown Institute for the Study of Animal Diseases

University of Marburg

University of Oxford

University of Oxford—Bodleian Library

University of Oxford—Botanic Garden

University of Oxford—Pitt-Rivers Collection

University of Paris

University of St Andrews

University of Strasbourg

University of Toronto

University of Tübingen

University of Utrecht

Urania Gesellschaft, Berlin

Ushaw College—Waterton's Museum

USS Jeannette

USS Keokuk

USS Merrimac

USS Miantonomoh

USS Monitor

USS Niagara

USS Pawnee

USS Plymouth