The Getty Research Institute has recently digitized over 6,000 19th and early 20th century Ottoman-era photographs, collected in the 1980s by French collector Pierre de Gigord during his travels through Turkey. The collection is now available to study and download for free online.
The Voices on Central Asia offer a new book review with the best book on the region from 2018. The books range from history to security studies to political science. http://voicesoncentralasia.org/