D. Walker
发表
G. Clark,
D. Walker,
J. Moore,
1954
.
A Site at Stump Cross, near Grassington, Yorkshire, and the Age of the Pennine Microlithic Industry.
D. Walker,
1957
.
Preliminary Report on Excavations at Star Carr, Seamer, Scarborough, Yorkshire (Second Season, 1950)
F. Fraser,
E. Corner,
J. E. King,
1950,
Proceedings of the Prehistoric Society.