Museums and Public Art Galleries:
Fine Arts Museums of San Francisco Many works listed, but only a couple appear to be viewable online
Museum of Fine Arts, Boston 
Cleveland Museum of Art, Ohio
Courtauld Institute of Art, London, UK Two children gathering flowers - boy to the left, holding a bunch of flowers, and a girl, right, with flowers in her apron
Delaware Art Museum, Wilmington
Kate Greenaway in the Los Angeles County Museum of Art Database
Manchester City Art Gallery, UK
New Art Gallery, Walsall, England 2 works online
The Huntington Library, California
Pictures from Image Archives:
Kate Greenaway in the Art Renewal Center
Wikimedia Commons Image Database 
Miscellaneous Sites:
Children's Books Online: The Rosetta Project The Pied Piper of Hamelin, by Robert Browning, illustrated by Kate Greenaway
Children's Books Online: The Rosetta Project Kate Greenaway's Book of Games
Children's Books Online: The Rosetta Project Mother Goose or the Old Nursery Rhymes, illustrated by Kate Greenaway
Children's Books Online: The Rosetta Project Marigold Garden, by Kate Greenaway
Children's Literature Resources at Indiana University
Peter Nahum At The Leicester Galleries, London, UK Archive of past displayed works which are "sold" or "not for sale"
The British Library, London, UK
Women Children's Book Illustrators
Articles and Reference Sites:
Encyclopedia Britannica complete article on Kate Greenaway  Note: The full version of the article is available only if you follow this link. If you bookmark the article and return later, or if you navigate directly to the Britannica website, you will see a 75-word preview only. Troubleshooting
Grove Dictionary of Art Online (excerpt) 
Union List of Artist Names (Getty Museum)  Reference sheet with basic information about the artist and pointers to other references.
Wikipedia, the "Open Content" Encyclopedia Biographical info
Oxford Dictionary of Art (eNotes) NEW! 
"Look Inside" and "Search Inside" Books at Amazon
| Look Inside Books: | Selections from the books listed below are scanned in, in high res. Text is clearly readable and art reproductions vary from so-so to excellent. Don't miss the fact that you can usually zoom in via the "View" drop-down menu, along the top row of Amazon's Online Reader. | |
| Search Inside Books: | Same as "Look Inside", except that the entire book is scanned in, and the text is fully searchable. This is an unbelievable resource, for research and especially for previewing a book when making the decision to buy. Note: Some "Search Inside" features are limited to people signed in to an account which has previously made a purchase at Amazon. | |
search inside
 The Art of Kate Greenaway: A Nostalgic Portrait of Childhood
look inside
 Language of Flowers
look inside
 The Pied Piper of Hamelin in Full Color
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