person
Keppen
also: Кеппен
A colleague of Konstantin Apollonovich Skalkovsky, whose article appeared in three issues of the "Mining Journal" ("Горный журнал") that Chekhov has kept back to read before returning; otherwise unidentified.
person
also: Кеппен
A colleague of Konstantin Apollonovich Skalkovsky, whose article appeared in three issues of the "Mining Journal" ("Горный журнал") that Chekhov has kept back to read before returning; otherwise unidentified.