The Black & Tans 1920-1921 – A Complete List, Short History and Genealogical Guide by Jim Herlihy. Rightfully described as ‘Ireland’s foremost authority on the history of Irish policing and police forces’, retired Garda and co-founder of An Garda Síochána Historical Society, Jim Herlihy has published yet another worthy and authoritative book. Published by The Four Courts Press, the book has…