National soil survey of Ireland. (Soil suitability map of Co. Clare ... scale ... 1:126,720 / 
Finch, T. F.
Lynch, J.
Staples, V.
Dublin, 
1971.
In: Soil Survey Bulletin No. 23. Soils of County Clare by T.F. Finch, &c.
The map is in a pocket at the back of the volume.