geisterseher:George S. McWatters, Detectives of Europe and America, or Life in the secret service&nb
geisterseher:George S. McWatters, Detectives of Europe and America, or Life in the secret service : a selection of celebrated cases in Great Britain, France, Germany, Italy, Spain, Russia, Poland, Egypt, and America ; a revelation of struggles and triumphs of the most renowned detectives (1878) -- source link