S.J., Michael F. Suarez; Woudhuysen, H. R. (октобар 2013). The Book: A Global History. Oxford University Press. стр. 506. ISBN978-0-19-967941-6. „...Jakov of Kamena Reka (the Stone River)...”
Macedonian Review. "Kulturen život" (Cultural Life). 1992. стр. 232. „...the very first printed book by a Macedonian author – the Caso- slov of Jakov of Kamena Reka, in 1566.”
Margins and Marginality: Marginalia and Colophons in South Slavic Manuscripts During the Ottoman Period, 1393—1878, Tatiana Nikolaeva Nikolova-Houston, The University of Texas at Austin. School of Information, ProQuest, . 2008. ISBN054965075Xhttps://books.google.com/books?id=1ULXk_ofPSgC&pg=PA165.Недостаје или је празан параметар |title= (помоћ), p. 165
Mijović, Pavle (1987). Kulture Crne Gore. Leksikografski zavod Crne Gore. стр. 310. „It was inherited by his son Vicen- cio, from whom Jakov of Kamena Reka took over...”
Bibliotekar. Društvo bibliotekara N.R. Srbije. 1972. стр. 736. „... најстарија штампана маке- донска књига „Часослов", коју је штампао Јаков од Камене Реке у Венецији 1566. године.”
Georgevich, Dragoslav; Maric, Nikola; Moravcevich, Nicholas; Ljubica D. Popovich (1977). Serbian Americans and their communities in Cleveland. Cleveland State University. стр. 211. „However, it was leased, first to a Stefan from Skadar and again in 1571 to a certain Jakov from Kamena Reka.”