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Het zilveren jubileum van Prof Dr. J.G.Ch. Volmer . en Het zilveren jubileum van Prof Dr Ch Volmer Picture in Leidsch Dagblad januari author other versions AnonymousEU Uploaded with Johannes Gerardus Charles Volmer Joannes Antonius Veraart Henk Dorgelo Andriessen Martinus Hendrik Caron Charles Hendrik van Os