• 19 Cooperative Children's Book Center (CCBC)
• 17 MERIT Library
• 13 College Library
• 6 Memorial Library
• 3 Information School Library

• 73 Books
• 9 Sound Recordings

• 4 Compact Discs

• 53 Magic
• 38 Schools
• 35 Wizards
• 32 Hogwarts School of Witchcraft and Wizardry (Imaginary organization)
• 30 Potter, Harry (Fictitious character)
• 23 Weasley, Ron (Fictitious character)
• 22 Granger, Hermione (Fictitious character)
• 21 Fantasy
• 11 History
• 10 Good and evil
• 9 Supernatural
• 7 Boarding schools
• 7 Friendship
• 7 Orphans
• 7 Witches
• 6 Coming of age
• 6 Demonology
• 6 Hogwarts School of Witchcraft and Wizardry (Imaginary place)
• 6 Siblings
• 4 Fairies
• 4 Secret societies
• 4 Social life and customs
• 4 Young adult fiction
• 3 Fantasy fiction
• 3 Identity (Philosophical concept)

• 27 Rowling, J. K
• 17 GrandPré, Mary
• 17 Rowling, J. K.
• 7 Dale, Jim
• 5 Clare, Cassandra
• 5 hoopla digital
• 4 Cooper, Susan, 1935-
• 4 J. K., Rowling
• 3 Bray, Libba
• 3 Travers, P. L. (Pamela Lyndon), 1899-1996
• 2 Fritz, Klaus
• 2 Scott, Michael, 1959-
• 2 Selznick, Brian
• 2 Shepard, Mary, 1909-2000
• 2 Stroud, Jonathan
• 1 Alfred A. Knopf, Inc.
• 1 Astrologo, Marina
• 1 Bachmann, Stefan, 1993-
• 1 Bartezzaghi, Stefano, editor
• 1 Berry, Julie, 1974-
• 1 Blackstone Audio, Inc.
• 1 Braswell, Liz
• 1 Burkert, Nancy Ekholm
• 1 Burnett, Frances Hodgson, 1849-1924
• 1 Candlewick Press

• 70 English
• 3 German
• 2 Spanish
• 1 French
• 1 Italian
• 1 Japanese

• 18 London (England)
• 16 London
• 9 Angleterre
• 9 Great Britain
• 4 Cornwall (County)
• 4 Cornwall (England : County)
• 2 Cornwall (Angleterre)
• 2 Inglaterra
• 1 California
• 1 Californie
• 1 Cambridge
• 1 Cambridge (England)
• 1 Czech Republic
• 1 Haworth
• 1 Haworth (England)
• 1 Londres (Angleterre)
• 1 Prague (Czech Republic)
• 1 Yorkshire
• 1 Yorkshire (England)

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