haud sciō an, &c., [1449], [1554], [1782];

in second half of indirect alternative question, [1778];

utrum . . . ne . . . an, utrumne . . . an, [1779];

quī sciō an, &c., [1781];

in single indirect question, [1783];

as disjunctive conjunction, [1667], [1675];

an . . . an in indirect questions, [1776];

followed by quis, quī, indef., [2388];

quantity, [2433].

[an-],