Description
The text on pedagogics was written by an American educator George Washburn (1833 – 1915), who was a president of Robert Collage – a private high school in Istanbul, established in 1863. Washburn was also a specialist on the Balkans, especially on Bulgaria.
We could find (5 or less) copies in the Armenian National Library, one example in Fundamental Scientific Library, one example in Bibliothèque de l’Église apostolique arménienne – Paris, and no examples on Worldcat.