* Men at work: Sydney's Harbour Bridge – Australian Geographic

in Australian Geographic # 41. pp. 34 – 57.

Australian Geographic Society.

The Australian Geographic book of the Canning Stock Route, Terry Hills, NSW: Australian Geographic Pty Ltd, 1998.

** The Mysterious Geographic Explorations of Jasper Morello-3d Films Pty Ltd., Australian Film Commission, Film Victoria, SBS Independent-Anthony Lucas

His 1966 photo Migrants Arriving in Sydney, originating from a commission by National Geographic, is one of the most famous works of modern Australian photography.

Vostok Research Station is located at, about 1, 300 km from the Geographic South Pole, at the center of the East Antarctic Ice Sheet and within the Australian Antarctic Territory.

Australian Geographic 69: 50 – 67.

* Ian Hutton, The Australian Geographic Book of Lord Howe Island, Australian Geographic, 1998, ISBN 1-876276-27-4.

* In 1994, Len was named the Australian Geographic Society's Adventurer of the Year.

Australian Encyclopedia, Australian Geographic, Terrey Hills, 1996

** Australian Geographic

Lloyd Godson's Biosub was an underwater habitat, built in 2007 for a competition by Australian Geographic.

* Australian Geographic, The Australian Encyclopædia 6th edition, Terrey Hills, 1996 articles on Sir Reginald Myles Ansett and Ansett Australia.

The Last Voices From Heaven was a documentary series that was screened on the Australian Subscription Television National Geographic Channel carried by Foxtel, Optus Television and Austar, on Wednesday nights at 7: 30 p. m. during 2004.

He is the author of more than 100 magazine articles, which have appeared in National Geographic, Natural History, Audubon, Curator, National Wildlife, Geo, Australian Geographic, and Reader's Digest.