Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 10-12

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 13-14

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 15-19

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 20-23

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 30-33

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 1, pages 34-35

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 2, pages 47-50

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 2, pages 51-52

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 2, pages 55-57

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 2, pages 67-68

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 3, pages 79-81

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 3, pages 82-85

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 3, pages 86-89

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 3, pages 90-92

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 4, pages 110-114

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 4, pages 117-119

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 4, pages 121-122

Published in Carnivorous plant newsletter, in 1979, in volume 8, issue 4, pages 123-126