From The Century, 1880.

From The Rajpoot's Rings by F. A. Knight, 1911.

From The Century, 1889.

From Weird Tales, 1932.

From Ghosts and Goblins by Wilhelmina Harper.

A folktale about a bat who writes poetry: The Bat-Poet by Randall Jarrell.

A demon-ridden coven.  From Weird Tales, 1942.

From Grimm's Fairy Stories, Supplementary to First Reader by M. Winifred Haliburton, 1900.

From Coraddi, 1990.

From Eric's Book of Beasts, illustrated by Shimada Sekko, 1912.

Kirchner's cat-bat from 1667.  From The Life, History, and Magic of the Cat by Fernand Méry.

From Chatterbox, 1900.

Looks like this rare book is going for $1,500!  From Secret, Don't Tell, The Encyclopedia of Hypnotism by Carla Emery and illustrated by Corey Smigliani.

May no bats haunt your dreams tonight.  From The Gates of the Future Thrown Open by Carlotta de Barsy, 1899.

From Bats on the Bedstead by Norma Tadlock Johnson.

From Bernie Magruder & the Bats in the Belfry by Phylis Reynolds Naylor.

Current mood.  From the Wizardry: Bane Of The Cosmic Forge Handbook.