Review of European scorpions, with a key to speciesPublished in Serket, in 1999, in volume 6, issue 2, pages 38-44Catalogue and Bibliography of Family Hersiliidae 1825-1998 (Arachnida: Araneida)Published in Serket, in 1999, in volume 6, issue 2, pages 45-72Sun-spiders of the Arab countries (Arachnida : Solpugida)Published in Serket, in 1999, in volume 6, issue 3, pages 73-104
Catalogue and Bibliography of Family Hersiliidae 1825-1998 (Arachnida: Araneida)Published in Serket, in 1999, in volume 6, issue 2, pages 45-72Sun-spiders of the Arab countries (Arachnida : Solpugida)Published in Serket, in 1999, in volume 6, issue 3, pages 73-104
Sun-spiders of the Arab countries (Arachnida : Solpugida)Published in Serket, in 1999, in volume 6, issue 3, pages 73-104