W. M'Pherson Kelhead Limestone Geology, Structural geology, Paleontology TDGNHAS Series II, 20 (1907-08), 157(WARNING large file size: 9.27 MB)
W. M'Pherson List of Fossils from Carboniferous Limestone, Kelhead, Annan, Presented to the British Museum Geology TDGNHAS Series II, 22 (1909-10), 208(WARNING very large file size: 11.43 MB)
