They appear in a book All Round The Wicket by Gerald Brodribb, a cricket writer and later an archaeologist. The book appeared in 1951.
Some first-class career scoring rates in runs per hour of non-Australian batsmen:
80 - Jessop
79 - Constantine
61 - Dacre
55 - RE Foster, Woolley
51 - Duleepsinhji
50 - Ranjitsinhji, Weekes (part career),
49 - Donnelly
48 - MacLaren, Compton (part career)
46 - Johnny Tyldesley
45 - Ames
43 - Hobbs, Hendren, Hammond, Bert Sutcliffe (part career)
40 - FS Jackson, Fry
39 - Dempster
36 - Grace, HW Taylor
35 - Hutton (part career)
34 - Herbert Sutcliffe
33 - Headley (most of career)
29 - Merchant (most of career)
28 - Shrewsbury, Bruce Mitchell
16 - Scotton
14 - Dick Barlow
It is noted that Grace, Hobbs and Hammond, for example, scored quickly in their younger days before slowing down. Jessop, Woolley and Macartney carried on playing the same way until the end. Jessop hit a hundred in 55 minutes at the age of 39. Macartney aged 40 reached a hundred before lunch in a Test match.