[1205] Flagey 1901.

[1206] Patouillard 1897.

[1207] Steiner 1895.

[1208] Bruce Fink 1909.

[1209] Herre 1911².

[1210] [See p. 97.]

[1211] Lindsay 1856.

[1212] Macmillan 1894.

[1213] Knowles in litt.

[1214] Bruce Fink 1903.