Container W. Lassell (Maidenhead) to Herschel, 1868-03-24 Online content Unit ID: 168 Date: 1868-03-24
Container W. Lassell (Malta) to E. Sabine, 1863-11-07 Online content Unit ID: f. 364 Date: 1863-11-07
Container W. Lassell: Melbourne telescope., 1864-07-05 Online content Unit ID: f. 212-f. 213 Date: 1864-07-05