Edward Carpenter 
Intermediate Sex [PDF ebook] 
A Study of Some Transitional Types of Men and Women

The Intermediate sex collates papers from Edward Carpenter on his ideas about intermediate types. Carpenter claims that there are those in societies who hold an intermediate position between the two sexes and may have an inner sex in their mind that is different from their biological sex. Originally published in 1908, this version in1941, these papers present early observations about gender fluidity in both men and women, studying certain ‘types’ of intermediate people that he claimed were begin to emerge more obviously at the time of writing. This title will be of interest to students of gender studies.