Encyclopedias offer overviews of architectural topics, the architecture of a particular time or place, or articles on architects and buildings.
REFERENCE N31 .D5 1996
The dictionary of art. Edited by Jane Turner. New York: Grove's Dictionaries, 1996.
A comprehensive encyclopedia on art and architecture. Articles are in-depth and each section of an article includes a bibliography of sources. Although the Dictionary of Artt covers both art and architecture, in includes more articles on architectural subjects than any encyclopedia of architecture.
REFERENCE NA380 .P46 1996
Petersen, Andrew. Dictionary of Islamic architecture. London ; New York: Routledge, 1996.
Provides basic information on Islamic architecture. Includes summaries of regional and historic groups, descriptions of monuments, and definitions of terms specific to Islamic architecture.
REFERENCE NA680 .E49 1986
Encyclopedia of 20th-century architecture. Edited by Vittorio Magnago Lampugnani. Rev. ed. New York: Abrams, 1986.
A single-volume encyclodia covering architects, developments in architecture, and buildings of the twentieth century.
REFERENCE NA680 .E495 2004
Encyclopedia of 20th-century architecture. Edited by Stephen Sennott. New York: Fitzroy Dearborn, 2004.
Contains more than 700 entries in three volumes covering architectural topics, materials and building technology, building types terminalogy, schools and movements, the architectural profession, architects and firms, and critics.
REFERENCE NA705 .P3 1995
Packard, Robert T., et al. Encyclopedia of American architecture. 2nd ed. New York: McGraw-Hill, 1995.
Intended for a general audience, the articles are non-technical, covering a broad range of topics relating to American architecture.
REFERENCE NA31 .E59 1988
Encyclopedia of architecture : design, engineering & construction. Edited by Joseph A. Wilkes and Robert T. Packard. New York: Wiley, 1988.
Four volumes cover architects, firms, technologies, and other areas concerned with design, engineering and construction.
Encyclopedia of Chicago. Chicago Historical Society, Newberry Library, and Northwestern University, 2004. Available: http://www.encyclopedia.chicagohistory.org. Date of Visit: May 30, 2008.
Online equivalent to a print encyclopedia with the additon of a biographical dictionary, maps, digitized historical documents and images from the Newberry Library, the Chicago Historical Society, and other sources.
Grove Art Online. Oxford University Press & Bridgeman Art Library. Available: GALILEO. 
The full text of the 34 volume Grove Dictionary of Art, supplemented by over 130,000 images from the Bridgeman Art Library, covering all aspects of the visual arts, including architecture, from prehistory to the present.
REFERENCE N5610 .G76 2007
The Grove encyclopedia of classical art and architecture. Edited by Gordon Campbell. Oxford ; New York: Oxford University Press, 2007.
Covers the civilizations of ancient Greece and Rome, as well as earlier Minoan, Cycladic, Helladic, and Etruscan cultures.
REFERENCE NA40 .I48 1993
International dictionary of architects and architecture. Edited by Randall Van Vynckt. Detroit: St. James Press, 1993.
Covers 500 architects and 450 buildings and sites that are important in Western architecture. Each architect's entry includes a career history, chronology of his important buildings, list of writings by or about the architect, and an essay. Entries for buildings and sites identify the architect, if known, and list publications.
REFERENCE NA200 .W67 1984 (Atlas Stand)
The World atlas of architecture. Boston, Mass.: G.K. Hall, 1984.
An illustrated introduction to the architecture of countries and regions of the world, from the ancient world to the modern era.