In his youth he was a Volapükist, in 1899 he received a diploma in V. as a master teacher (eo: ĉefinstruisto).
In 1899 he received a diploma in Volapük as a master teacher (eo: ĉefinstruisto). In his youth he was a Volapükist.
In his youth he was a Volapükist. In 1899 he received a diploma in Volapük as a master teacher (eo: ĉefinstruisto).
In his youth he was a Volapükist. In 1899 he received a diploma in Volapük as a master teacher (eo: ĉefinstruisto).