Morgan Library, MS H. 8 (The Hours of Henry VIII)
- Annotated images from a French Book of Hours made in Tours around 1500 and illuminated by Jean Poyer.
- http://www.themorgan.org/collections/swf/exhibOnline.asp?id=300

Royal Library, Copenhagen, Thott 547 4º
- Digital facsimile of a 14th-century English Book of Hours made for Mary de Bohun.
- http://www.kb.dk/permalink/2006/manus/76/eng/

Royal Library, Copenhagen, GkS 1612 4º
- Digital facsimile of a richly illustrated 15th-century French Book of Hours. Illuminations by William Vrelant.
- http://www.kb.dk/permalink/2006/manus/64/eng/

Brandeis Libraries, Book of Hours
- Digital facsimile of a 15th-century French Book of Hours for the Use of Rennes.
- http://lts.brandeis.edu/research/archives-speccoll/events/bookofhours/

Kelvin Smith Library, Book of Hours
- Digital facsimile of a modest Book of Hours for the Use of Rome, probably produced in Ghent, c. 1450. Includes transcription of the Latin text.
- http://library.case.edu/ksl/ecoll/collections/flemish/index.html

Syracuse University Library, MS 6
- Brief description of a late-15th-century French Book of Hours, with images of selected pages.
- http://libwww.syr.edu/digital/collections/m/MedievalManuscripts/ms06/ms06.htm

British Library, Add. MS 34294 (Sforza Hours)
- Partial digital facsimile of the "Sforza Hours," a late-15th-century Italian book of hours illuminated by Giovan Pietro Birago and Gerard Horenbout.
- http://www.bl.uk/collections/treasures/sforza/sforza_broadband.htm

British Library, Add. MS 24098 (Golf Book)
- Partial digital facsimile of the so-called "Golf Book," a 16th-century book of hours produced in Bruges. Illuminations by Simon Bening.
- http://www.bl.uk/collections/treasures/golf/golf_broadband.htm

Glasgow University Library, Sp Coll MS Euing 4 (Glasgow Hours)
- Images of full-page miniatures from a 15th-century French Book of Hours made in North-East France about 1460, with commentary.
- http://special.lib.gla.ac.uk/exhibns/month/dec2003.html

National Library of Australia, Clifford Collection MS 1097/9
- Brief introduction to a 15th-century Flemish Book of Hours, with images of the pages containing full-page miniatures.
- http://www.nla.gov.au/collect/treasures/may_treasure.html

Time and the Flower: Significant Images of the Passage of Time in the Floral Borders of the Hours of Catherine of Cleves
- Scholarly essay on the meaning of the floral borders in a 15th-century Netherlandish Book of Hours, by Elizabeth R. Schaeffer.
- http://www.luc.edu/publications/medieval/vol6/schaeffe.html

A Note on the Book of Hours of Catherine of Cleves
- A brief scholarly article by Peter Woodruff, with several color illustrations.
- http://www.usc.edu/dept/comp-lit/tympanum/3/woodruff.html

Syracuse University Library, MS 5
- Images of a manuscript originating from Florence, Italy with a dating to the last quarter of the 14th century.
- http://libwww.syr.edu/digital/collections/m/MedievalManuscripts/ms05/ms05.htm

Syracuse University Library, MS 2 (Le Louchier Hours)
- Images of a 15th-century Flemish Book of Hours for the Use of Rome, with images of selected pages.
- http://libwww.syr.edu/digital/collections/m/MedievalManuscripts/ms02/ms02.htm

Brandeis Hours
- Detailed guide, transcript, and links to the digital facsimile of a 15th-century French Book of Hours for the Use of Rennes.
- http://www.chd.dk/gui/Brandeis_gui.html

Rouen Hours
- Detailed description, transcript, and links to a complete digital facsimile of a 15th-century French Book of Hours for the Use of Rouen.
- http://www.chd.dk/gui/bofh1_gui.html

Oberlin College, Artz Hours
- Complete digital facsimile of a 15th-century French Book of Hours for the Use of Le Mans.
- http://littlepeople.net/artzhours/

Bodleian Library, MS. Buchanan e. 3
- Images of the calendar pages in Latin and French, Book of Hours for the Use of Rouen (c.1500).
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/buchanan/e/003.a.htm

Musée Condé, Chantilly, MS 65 (Très Riches Heures), Calendar Miniatures
- Images from the calendar section of the "Très Riches Heures," painted by the Limbourg brothers for Jean, Duc de Berry, in the early 15th century.
- http://humanities.uchicago.edu/images/heures/heures.html

University of Kentucky, Kentuckiensis IX
- Images of miniatures and selected text pages from a French Book of Hours dating in part to the 14th century, and in part to the 15th.
- http://www.byu.edu/~hurlbut/dscriptorium/ukentucky/ky9/ky9.html

University of Kentucky, Kentuckiensis VII
- Images of miniatures and selected text pages from a 15th-century French Book of Hours attributed to the school of the Maître François.
- http://www.byu.edu/~hurlbut/dscriptorium/ukentucky/ky7/ky7.html

Metropolitan Museum of Art, Cloisters Collection, MS 54.1.2 (Hours of Jeanne d'Evreux)
- On-line exhibition of the famous Book of Hours in French made for the Queen of France, illuminations by Jean Pucelle (between 1324 and 1328).
- http://www.metmuseum.org/explore/jde/jdesplash.htm

University of Kentucky, Kentuckiensis III
- Images of selected text pages from a modestly decorated 15th-century Italian Book of Hours.
- http://www.byu.edu/~hurlbut/dscriptorium/ukentucky/ky3/ky3.html

National Library of Scotland, The Murthly Hours
- Detailed description of a late-thirteenth-century Book of Hours made in Paris for use by an English patron, with a complete digital facsimile of the manuscript. Illuminations by English artists.
- http://www.nls.uk/digitallibrary/murthly/

Royal Library, Copenhagen, GkS 1610 4° (Della Porta Hours)
- Detailed guide to a late-15th-century French Book of Hours produced in Tours and Bourges, with links to images from the digital facsimile.
- http://www.chd.dk/gui/gks1610_guideII.html

Musée Condé, Chantilly, MS 65 (Très Riches Heures)
- Images of the miniatures and illuminated text pages in the famous 15th-century Book of Hours painted for Jean, Duc de Berry. With extensive commentaries.
- http://www.christusrex.org/www2/berry/

Spalding University, Book of Hours
- Images of illuminated manuscript in Latin and Italian Book of Hours for the Daughter of Francis I (1559).
- http://www.byu.edu/~hurlbut/dscriptorium/spalding/spalding.html

Bodleian Library, MS. Douce d. 19, fols. 41-62
- Images of leaves in Latin, Book of Hours (c. 1420-30).
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/douce/d/019.htm

Bodleian Library, MS. Don. f. 33
- Images of the miniatures, cover, and calendar page in Latin, Book of Hours for Use of Angers (c. 1470s).
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/don/f/033.htm

Bodleian Library, MS. Buchanan f. 3
- Images of the miniatures and selected text pages in Dutch, Book of Hours (15th century, second quarter).
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/buchanan/f/003a.htm

Bodleian Library, MS. Buchanan f. 1
- Images of the miniatures and selected text pages, in Dutch, Book of Hours (after 1471) with a detailed description of the manuscript.
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/buchanan/f/001a.htm

Bodleian Library, MS. Broxbourne 89.8
- Images of selected text pages in Dutch, Book of Hours (c. 1465-70).
- http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/mss/broxb/89/008.htm