Gwilym O. Evans has written:
'Pseudoscorpiones' -- subject(s): Pseudoscorpions
'The terrestrial Acari of the British Isles' -- subject(s): Mites
Gwilym R. has written: 'Detholiad o gerddi Gwilym R.'
O. R. Evans has written: 'The Evans family' -- subject(s): Evans family
Kelvin O. Evans has written: 'If you're black you're not worth much'
O. G. Pamely-Evans has written: 'An introduction to industrial cybernetics and instrumentation' -- subject(s): Automatic control
David O. Evans has written: 'Seasonal changes in standard metabolism, upper and lower thermal tolerance and thermoregulatory behaviour of the pumpkinseed, Leopomis gibbosus (Linnaeus)' -- subject(s): Seeds, Physiology, Pumpkin
D. Lewis Evans has written: 'Braslun o hanes Henaduriaeth Gogledd Aberteifi' -- subject(s): Church history, Presbyterianism, Welsh Calvinistic Methodist Church
O. A. Sergeeva has written: '\\'
O. Sosin has written: '\\'
O. Petrash has written: '\\'
O. Vandeputte has written: 'Dutch'
O. Carlgren has written: 'Anthozoa'
O. A. Pashchenko has written: 'Rodichi'