bibliography - Canadian Military History

12,303. 2. Author Unknown. Surface shelters. No Date. PRO HO 191/17.
12,304. 3. Author Unknown. Anderson shelters (experimental data). No Date. PRO HO 191/18.
12,305. 4. Author Unknown. Trench shelters. No Date. PRO HO 191/19.
12,306. 5. Author Unknown. Penetration by fragments from 5001b GP bombs. No Date. PRO
HO 191/20.
12,307. 6. Author Unknown. Penetration by fragments from fragment gun. No Date. PRO HO
191/21.
12,308. 7. Author Unknown. Penetration by bullets. No Date. PRO HO 191/23.
12,309. 8. Author Unknown. Blast Part I and Part II (British bombs). No Date. PRO HO 191/24
and PRO HO 191/25.
12,310. 9. Author Unknown. Penetration by fragments from bombs other than 5001b GP bombs.
No Date. PRO HO 191/26.
12,311. 10. Author Unknown. Statistics of airraids, 1914-1918. No Date. PRO HO 191/27.
12,312. 11. Author Unknown. Statistics of shelter provision. No Date. PRO HO 191/28.
12,313. 12. Author Unknown. Basement shelters. No Date. PRO HO 191/29.
12,314. 13. Author Unknown. Dividing walls for shelters. No Date. PRO HO 191/30.
12,315. 14. Author Unknown. Earth movement due to explosions. No Date. PRO HO 191/31.
12,316. 15. Author Unknown. Earth pressures due to explosions. No Date. PRO HO 191/32.
12,317. 16. Author Unknown. Incendiary bombs. No Date. PRO HO 191/33.
12,318. 17. Author Unknown. Penetration of bombs and shells (other than incendiary bombs).
No Date. PRO HO 191/34.
12,319. 18. Author Unknown. Laboratory tests on the protection of windows against blast. No
Date. PRO HO 191/35.
12,320. 19. Author Unknown. Fragmentation. No Date. PRO HO 191/36.
12,321. 20. Author Unknown. Glass substitutes for glazing. No Date. PRO HO 191/37.
12,322. Bradford-Hill, A. Casualty report: Analysis and summary of reports. No Date. PRO HO
191/10.