Research Prints
Handbook of Japanese Printmaking Technique
A non-scholarly, blog-style website that offers glossaries of Japanese Printmaking terms, techniques, tools, styles, and processes.  You will find descriptions of visits to the working studios of various Japanese printmakers, along with images of various processes and tools.
Museum of Modern Art
The Department of Prints & Illustrated Books has developed an interactive demonstration of the primary printmaking techniques of woodcut, etching, lithography and screenprinting. It also includes a glossary, recommended reading, and visitor information.
Singular Impressions: The Monotype in America
The National Museum of American Art’s introduction to monotype printing. This site describes how they are made, and offers an illustrated database selected from the museum’s collection
American Antiquarian Society’s Catalogue of American Engravings
A searchable database of American engravings from the 1700s to c.1820.  This database allows you to search by various guidelines to find records that aid in locating a particular American engraving.
American Printmakers Online Catalogue Raisonne Project
This site is devoted to publishing on-line catalogues raisonne of artists who do not have complete studies of their works in print or whose catalogues raisonne are out of print or need supplementary information.  
The Online Research Resource of The Pierpont Morgan Library and Museum. The Library has about 13,000 prints, including the largest and most representative collection of Rembrandt etchings in this country.
Library of Congress, Prints & Photographs Reading Room
Offers information about the Prints & Photographs Reading Room at the Library and has an extensive bibliography on prints as well as links to additional resources.The Prints & Photographs Online Catalog (PPOC) provides access through group or item records to more than 50% of the Division's holdings, as well as to some images found in other units of the Library of Congress.
National Gallery of Art/Gemini G.E.L. Online Catalogue Raisonne
Online catalogue raisonné presents publications of Gemini G.E.L. (Graphic Editions Limited) the acclaimed Los Angeles print and sculpture workshop from its beginning in 1966 through 1996. These records have been compiled since its inception, and the data has been reviewed, organized, and transcribed by the National Gallery for this online catalogue raisonné.
NYPL Guide to Researching Prints
Guide to searching for prints in the Library's collection as well as general tips for researching prints including extensive information on prints and printmaking, along with useful links and bibliographies for additional resources.
Research Guide to the Print Collection of The New York Public Library
The most accessible print room in New York City, the Print Collection of The New York Public Library encompasses a specialized reference collection of over 15,000 volumes on the history of prints and printmakers; artist clipping files; and a collection of close to 200,000 original prints, ranging from woodcuts, engravings, etchings, lithographs and screen prints to digital prints, covering the history of the art in the West from the 15th century to the present, and Japanese prints from the 10th century to the present.
Online Picasso Project
This site offers a comprehensive illustrated catalogue of Picasso's prolific printmaking career including archives of artist commentaries, related articles and biographical information.
Oxford Art Online
One of the largest databases of artist biographies, including useful bibliographic information.
Print Council of America: Print Catalogue Raisonné Search Index
Published in co-operation with the IFPDA, this is an online version of The Print Council's Index to Oeuvre-Catalogues of Prints by European and American Artists. First published in 1983 by Timothy A. Riggs, the index continues to be expanded and updated; consequently it remains a mainstay of print research.
University of New Mexico
The University of New Mexico University Libraries hosts New Mexico's Digital Collections. The pictorial collections originate from the University of New Mexico and from other New Mexico cultural heritage institutions.
Tamarind Institute Online Catalogue Raisonne
Intended to provide an efficient and readily accessible means to research the lithographs that have been made at Tamarind. This catalogue includes all lithographs (monotypes are not included) made at Tamarind Institute between 1970 and 2002.
The Strange World of Albrecht Durer
This micro-site was created to accompany the exhibition of the same name at the Clark Institute in 2011. Like the exhibition, it explores how and why Durer's work was so powerful and why it remains so visually arresting to us more than five centuries later. It also features videos on printmaking techniques, a blog, and annotated examples from the exhibition.
White Mountain Prints and Graphics
A new website - www.whitemountainhistory.org - devoted to nineteenth century White Mountain prints and graphics. Nearly 300 images depicting this scenic portion of New Hampshire have been made available.