Theatre Passe Muraille Archives (University of Guelph)

OCLC:1315376010

Andrew Lloyd Webber / Charles Hart / Michael Kunze / Herbert Olschok / Stefan Huber / Basil Coleman / Volker M. Plangg / Eckart Manke / Don Black / Marcello Mottadelli / Stadttheater (Fürth, Bayern)

OCLC:180070474

Theatre Smith-Gilmour Archives / Jason Sherman / Herbert Olschok / Michele Smith / Dean Gilmour / Diane Cave

OCLC:629761751

Arn Goerke / Wera Herzberg / Alexander Suckel / Franz Wittenbrink / Peter Pietzsch / Theater (Schweinfurt) / Herbert Olschok

OCLC:180074527

Michael Kliefert / Steffen Mensching / Herbert Olschok / Theater (Schweinfurt)

OCLC:180065789

Herbert Olschok

OCLC:177106606

Otto Herbert Hajek

OCLC:79650450