Bol︠i︡eni glaz i sl︠i︡epota sredi krestʹ︠i︡anskago naselenī︠i︡a Sergīevskoĭ volosti, Kaluzhskago u︠i︡ezda, Kaluzhskoĭ gubernīi : po dannym pogolovnago osmotra i n︠i︡ekotorye danny︠i︡a k voprosu o vlī︠i︡anīi stepeni osv︠i︡eshchenī︠i︡a i skuchennosti v zhilishchakh na chastotu glaznykh zabol︠i︡evanīĭ - Izachik, Mikhail, b. 1868 (Serī︠i︡a disserta︠t︡sīĭ, dopushchennykh k zashchit︠i︡e v Imperatorskoĭ voenno-medi︠t︡sinskoĭ akademīi v 1893-1894 uchebnom godu, 1894)