by O. Kubaschewski and C. B. Alcock. by O. Kubaschewski and B. E. Hopkins. [by] O. Kubaschewski and E. L. Evans. [by] O. Kubaschewski and E. LL. Evans. [by] J. A. Anderson [and] A. W. Alcock. by J. Thomson and E.B. Callick. by G. M. Hidy and J. R. Brock.