By Clarkson, Ewan/ Published 1971, Hutchinson of Australia, London & Melbourne / Naturalist
By Thelwell, Norman/ Published 1978, Eyre Methuen / Naturalist
"To be conscious that you are ignorant is a great step to knowledge" ~ Benjamin Disraeli [1804-1881]
"To be conscious that you are ignorant is a great step to knowledge"
