Author
Boswell, P. G. H. (Percy George Hamnall), b. 1886
2
Great Britain. Ministry of Munitions
2
Great Britain. Ministry of Munitions. Health of Munition Workers Committee
2
Great Britain. Ministry of Munitions. Nitrogen Products Committee
2
Boswell, P. G. H. (Percy George Hamnall)
1
Burgess, Henry Givens, 1859-1937
1
Gill, T. P. (Thomas Patrick), 1858-1931
1
Great Britain. Ministry of Munitions. Chemical Warfare Dept. Medical Research Committee
1
Great Britain. Ministry of Munitions. Munitions Inventions Department. Nitrogen Products Committee
1
Kelly, R. C., Captain
1