Published in Ent. Ber., Amst., in 1969, in volume 29, pages 27-35

Published in Ent. Ber., Amst., in 1969, in volume 29, pages 97-98

Published in Ent. Ber., Amst., in 1969, in volume 29, pages 111-114

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 1, pages 1

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 1, pages 18-19

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 2, pages 40

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 5, pages 88

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 9, pages 165-180

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 11, pages 203-205

Published in Entomologische Berichten (Amsterdam), in 1969, in volume 29, issue 11, pages 213-219

Published in Ent. Ber., Amst., in 1969, in volume 29, pages 147-155