Signatures: pi¹, A-M⁸. Variant 1: pi¹, ¹A², A-M⁸. Variant 2: pi¹, ¹A⁸, A-M⁸. A8 and M8 are blank.

Anonymous. Author identified as Sir Thomas Browne in the preliminary letter to the reader.

No letterpress title page; engraved title-page is unsigned, although taken from the same plate (engraved by William Marshall) as that in the two 1642 unauthorised editions.

First authorised edition, following two unauthorised and unattributed editions of 1642, also published by Andrew Crooke.

Place of publication from Wing.

Errors in pagination: page 121 is mis-numbered as 123; pages 173-185 are mis-numbered as 171-183.

Two variant issues: variant 1: with two leaves inserted between the engraved title page and and A1: (To the reader), the first beginning "To such as have ." and signed A, the second, unsigned, bearing errata. Variant 2: with six leaves inserted after engraved title-page, the first beginning "A letter sent" and signed A2, the next four bearing letters between Brown and Sir Kenelm Digby, and the last two bearing "To such as have ." and errata. These last two leaves are in a different setting from Variant 1; see English short title catalogue and Keynes.

Rare Book copy: Bound with: Observations vpon Religio medici / occasionally written by Sir Kenelme Digby, Knight -- The second edition corrected and amended -- London : Printed by F.L. for Lawrence Chapman and Daniel Frere, 1644 ; and Observations on the 22. stanza in the 9th. canto of the 2d book of Spencers Faery queen : full of excellent notions concerning the frame of man, and his rationall soul / written by the right noble and illustrious knight Sir Kenelme Digby, at the request of a friend -- London : Printed for Daniel Frere, bookseller, at the Red-Bull in Little Brittain, 1644.

Rare Book copy: John Drinkwater's copy, with his autogarph and notes.

Rare Book copy: Bound in half-calf, stamped: Bound by Broadbere - Salisbury.

A Wing, D.G. Short-title catalogue of books printed in England, Scotland, Ireland, Wales, and British America, and of English books printed in other countries, 1641-1700 (2nd ed. 1994), B5169

English short title catalogue (ESTC), R20850

Keynes, G. Bibliography of Sir Thomas Browne Kt. M.D. (2nd ed.), p.5 and no.3