Krafft-Ebing's book was so popular among both laymen and doctors that the terms "heterosexual" and "homosexual" became the most widely accepted terms for sexual orientation.
Buku Krafft-Ebing begitu populer di kalangan baik orang awam dan kedokteran hingga istilah "heteroseksual" dan "homoseksual" menjadi istilah yang paling luas diterima untuk orientasi seksual.