The recent survey of Scottish cannel /
Cumming, William M.(William Murdoch),1891-author.
Nisbet, H. B.(Hugh Bryan),1902-1969,author.
Conference on Oil Shale and Cannel Coal ǂd (1938 : ǂc Glasgow)
Cover title.
"Reprinted from 'Oil shale and cannal coal,' 1938."--front cover.
Cannel coal