Palaeoecogeek:
Fergusons & Smiths – 1977
Palaeoecogeek:
Fergusons, Eric Smith & Elsie Watson (Slater) – 1977
Palaeoecogeek:
Mary & Doug Smith with Elsie Watson Slater – 1977
Palaeoecogeek:
FERGUSONS & SMITHS – 1977