Iskandar Zulqarnain. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/13963687/iskandar-zulqarnain-gouache-painting-persian-artist-qajar-periodFree Image from public domain licenseFarīdūn Shāh. Gouache painting by an Persian artist, Qajar period. https://www.rawpixel.com/image/13962947/faridun-shah-gouache-painting-persian-artist-qajar-periodFree Image from public domain licenseAn unidentified Persian astrologer or mathematician. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/13954158/image-face-person-artFree Image from public domain licenseAn unidentified Qajar woman standing. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/13959853/image-face-person-artFree Image from public domain licenseMunajjum Bāshi, royal astronomer to the Qajars. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/13954048/image-cartoon-face-personFree Image from public domain licenseA Persian physician. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/14020987/persian-physician-gouache-painting-persian-artist-qajar-periodFree Image from public domain license