The book 'contains an extremely readable account of the analytic approach to the theory of the distribution of primes in arithmetic progressions' (Memoir, p.167). Davenport submitted a revised ms. in 1969 but the second edition (revised by H.L. Montgomery) did not appear until 1980.
170-174: 238pp. ms. draft with corrections. 170 includes covering note from publisher, August 1967, returning `dead' material (now at D.170-D.177).
175: 4pp. typescript index with ms. corrections.
176-177: Corrected proofs.
178-182: Photocopy of original ms. draft, with ms. corrections for revised version. Includes letter from Davenport, 4 April 1969, to Yu. V. Linnik re corrections, also mentioning that he was in hospital.