"double entries" is correct and usable in written English.
You can use it when referring to a set of entries in a ledger or record that have been made twice, typically in order to provide a redundancy in the accounting system. For example, "To prevent errors, the accounting team made double entries for every transaction."
Yahoo rounds up the double entries and presents a list of names.
One local authority after the general election told me they were not sure how big their electorate was because of the number of double entries on their register.
Thereafter double entries of articles were removed.
One hundred and forty-seven substances have been excluded from the evaluation during the process as they were identified as double entries, mixtures or of doubtful relevance.
Its stores still retain the core elements that built the brand in the first place good sightlines with low fixturing, double entries for better parking lot access, centralized check-outs and an overall more shopper-friendly atmosphere compared with its competing stores, be they department store format or discounters.
The Croatian Helsinki Committee disputes the claim and reports that 677 civilians were killed during the same period, however their report was rejected by the ICTY, when submitted as evidence, due to unsourced statements and double entries contained in the report.
Double Entry, by Jane Gleeson-White (Norton).
Double Entry: How the Merchants of Venice Created Modern Finance.
Christie Malry's Own Double Entry by BS Johnson, in which a "simple man" uses double entry bookkeeping as the vehicle for his seeking revenge against the world.
A Brief History of Double Entry Book-keeping, it ain't.
Bookkeeping mechanics compile financial information with the double entry system of debits and credits.
