The Devil's Alphabet by Dar Gregory: A strange "disease" infects a town in Tennesse causing some of the inhabitants to mutate into one of three creatures: giant Argos, small and squat Betas and obese Charlies. A man who was spared from the changes goes home to his aging Charlie dad and must solve the murder/suicide of a close friend.
Darker Angels by S.P. Somtow: A widow in the 1860's is told tales by her cook, Walt Whitman and his lover, about voodoo, zombies, and a shape shifting woman. Turns out her husband and the late president Lincoln had something to do with it.
The God of Spring by Arabel Edge: An early 19th century french painter, Garicault (?), who is in an artistic rut and inlove with his uncle's wife, learns about a tragic accident at sea. A group of people had been set adrift on a huge raft after their boat was run aground by an member of the gentry when he took over the ship. The tale involves cannibalism, lies and a tale of obsession that ruined a man's life.
Graveyard Dust by Barb Hambly: An 1830's detective/doctor/musician, who is a free man of color, must solve an apparent murder before his sister and the man's wife are hanged. Part of a series involving all the trials and tribulations of 19th century New Orleans. Hints that the supernatural had something to do with it.