A file of financial records and correspondence covering secret service operations in the United States of America and elsewhere during the early years of the First World War, including activities such as surveillance of ports and suspicious persons and the dissemination of propaganda. Documents include receipts for the printing and distribution of propaganda material, including to members of Congress; records of travel expenses for agents; an expense-sheet for the establishment of a trade and surveillance network in Sweden; correspondence about creating and funding a surveillance network in the USA; records of payments to American detective agencies for this purpose; a memorandum about the purchase of information on American meat exports to Germany; and financial records for the secret services during the early years of the war, including records of expenditure on pensions, cyphers and foreign consulates.