a. (UN-1 7 b.)

1

1791.  Bentham, Mem. & Corr., Wks. 1843, X. 248. Hampstead is the road you must take, as the other would be unfindable.

2

1859.  Green, Lett. (1901), 32. Lady of my dream, unfindable among human flesh and blood.

3

1895.  Athenæum, 17 Aug., 224/3. [A book] not unfindable, scarce though it be.

4