[4] Quoted from correspondence of the Board of Education to the Local Education Authority in Northamptonshire.
[5] Authorities differ widely; some even state that the ratio is now as high as one to eight.
[6] Special Bulletin of Military Hospitals Commission, Canada, April, 1916.
[7] A. L. Bittard, Les Écoles de Blessés. Paris, 1916.
[8] Columbia University War Papers.
[9] London Times, Educational Supplement, May 17, 1917.
[10] California and Indiana developed plans about the same time. Before the first of July, 1917, the movement became quite general in America.
[11] The following statistics for Orleans County show how agricultural help is needed, as indicated by the census taken by school children:
| May 10-20 | 163 |
| May 21-31 | 165 |
| Jun 1-10 | 227 |
| June 11-20 | 257 |
| June 21-30 | 271 |
| July 1-10 | 518 |
| July 11-20 | 526 |
| July 21-31 | 523 |
| Aug. 1-10 | 486 |
| Aug. 11-20 | 554 |
| Aug. 21-31 | 573 |
| Sept. 1-10 | 1157 |
| Sept. 11-20 | 1308 |
| Sept. 21-30 | 1317 |
| Oct. 1-10 | 1521 |
| Oct. 11-20 | 1500 |
| Oct. 21-30 | 1435 |
| Nov. 1-10 | 38 |
| Nov. 11-20 | 13 |
| Nov. 20-30 | 1 |
[12] In New York City 63,900 applications for bonds, having a total value of $7,881,100, were obtained directly by principals, teachers, and pupils, and forwarded by the principals to the local Bond committee or the banks.