Royal Irish Constabulary History & Directories contains over 1,670 pages from 6 different publications printed between 1871 and 1920 that provide further insight into the daily operations of the police force and the history of the organisation.

Included is a history of the force produced by Robert Curtis, a county inspector with the RIC, in 1871. Curtis traced the history of policing in Ireland from the 1780s through to 1871 and recorded the formation of the Peace Preservation Force was well as other structural changes. Subjects include the suppression of the Fenian rebellion, instances of bravery by constables and the character of the Constabulary.

Royal Irish Constabulary List and Directories consists of lists and directories for 1889, 1915, 1918 and 1920 which include a full list of the Royal Irish Constabulary at the time of it was printed. Other lists recorded promotions, deployments and commendations of members. The publication also includes the names of those serving with the Dublin Metropolitan Police and Coast Guard Service, as well as those serving as magistrates and judges.

The Royal Irish Constabulary Manual or Guide to the Discharge of Police Duties is also included. The manual was created by Sir John Stewart Wood, Inspector General of the Royal Irish Constabulary (RIC) in 1866 to instruct officers and men on dealing with offences, the laws of Ireland, an RIC member's duties and responsibilities and the many aspects of the detection and prevention of crime.