Dedicated to the dogs, it's Western State Normal School's 1926 yearbook.

From Baron Verdigris, A Romance of the Reversed Direction by Jocelyn Quilp a.k.a. Halliwell Sutcliffe, 1894.  Baron Verdigris copy

"To those who speak the language."  From the United States Naval Academy's 1919 yearbook.

From The Patchwork Girl of Oz by L. Frank Baum and illustrated by John R. Neil, 1913.

A book dedicated to laughter and music.  From the United States Naval Academy's 1941 yearbook.

A book dedicated "to everyone who has ever looked outwards at the stars and wondered."  From UFOs & Outer Space Mysteries by James Oberg, 1982. 

A book dedicated to two teddy bears.  From Torten's Christmas Secret by Maurice Dolbier and illustrated by Robert Henneberger.

From The Little Witch's Cat Book by Linda Glovach.

A book dedicated to a cricket.  From Delightful Stories For Children by Elizabeth Billings Stuart, 1920.

Django Wexler's The Palace of Glass is dedicated to your cat in particular.

From The Book of Shadows by Don Paterson, 2005.

A book dedicated to escapism.  From the University of North Dakota's 1942 yearbook.

Reblog if you, too, are the witch, oaf, fairy godmother, and whatever of your household.  From The Rainbow String by Algernon Tassin and illustrated by Anna Richards Brewster, 1921.

"Oh, I'm dead!  How lovely!"  From Our Last Adventure by Ernest Lester Smith, 1985.

Dedicated to a skeleton.  From Swarthmore College's 1916 yearbook.

All of history's winners don't have a book dedication, but all of history's losers do.  From The Queer Art of Failure by Judith Halberstam, 2011.

You knew some books are for the birds, but here's one that's dedicated to hens, ducks, and geese.  From The Diary of a Goose Girl by Kate Douglas Wiggin, 1902.

A book dedicated to a woman who cheerfully shared her home with lowly creatures who spin webs, leave slime trails, and scurry about on six or eight legs, even though she never professed a fondness for such types.  From Captive Invertebrates by Fredric Frye.

A book dead-icated to all the cats that ever meowed on this or any sphere, from the beginning of time till now, to all cats still to come, to the nine ghosts of departed cats and their relatives, and to all who like some sort of cat.  From Christopher Cricket On Cats by Anthony Henderson Euwer, 1909.