Published semi-weekly from Mar. 20, 1750, to Mar. 14, 1752. Of the 208 numbers all were by Johnson except no. 10, by Hester Mulso, afterward Mrs. Chapone; no. 30, by Catharine Talbot; no. 97, by Richardson; no. 44 and 100, by Elizabeth Carter. Parts of no. 15 and 107 are by unknown correspondents.

Numbers 521-522 repeated in pagination; p. [315] misnumbered 316.

Number 1 has colophon in second state - Cf. R. W. Chapman, Johnsonian bibliography. p. 132.