1.	Figs 156, 157, 163, 165 and 168 are from Ford on Archery by W. Butt
2.	Seamanship, Captain Sir G. Nares.
3.	Figs. 158 to 162 are from Seamanship by Captain G. Nares.
4.	Mr. Butt describes at length another excellent way of lapping the string.