Jerzy Koch has written:
'Multatuli (1820-1887) w Polsce' -- subject(s): Appreciation, History and criticism, Translations into Polish
Jerzy Trammer has written: 'Sukces'
Jurij Koch has written: '[Basnje]'
RAINER KOCH has written: 'KRIFTEL'
Artur Koch has written: 'Ein \\'
Jerzy Kaczmarek has written: 'Joseph Beuys'
Jerzy Plachecki has written: 'Klechdy tykockie'
Jerzy Grzesiowski has written: 'Wieliczka - muzeum'
Jerzy Rochowiak has written: 'Skrajem dni'
Jerzy Kurlowicz has written: 'Metrik und Sprachgeschichte'
Jerzy Wisniewski has written: 'Miron Bialoszewski i muzyka'
Jerzy Karolak has written: 'Stroje i zwyczaje ludowe'
Ermelinde Koch has written: 'Stiagnstapfl' 'De Tafkirzn'