Yaşayıp unuttuğumuz İstanbul

By Can, Kadir. İstanbul : İstanbul Ticaret Odası, 2009 . 204 p. 9789944604956

Crayon portraiture; complete instructions for making crayon portraits on crayon paper and on platinum, silver, and bromide enlargements, also directions for the use of transparent liquid water colors and for making French crystals,

By Barhydt, Jerome A.. İstanbul : E-Kitap Projesi, 2014 . 92 p. , Issued in 1886 under title: A complete treatise on crayon portraits.