There are 1 book by Hassell, W.O.; Routh, C.R.N. on BookOrb. A strong starting point is Who's Who in History : Volume One (1960). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Hassell, W.O.; Routh, C.R.N. written?
BookOrb lists 1 book by Hassell, W.O.; Routh, C.R.N..
Where should I start with Hassell, W.O.; Routh, C.R.N.?
A good starting point is Who's Who in History : Volume One (1960).
What is the Hassell, W.O.; Routh, C.R.N. books in order list?
In publication order: 1. Who's Who in History : Volume One (1960).