The FRED series Total Credit Market Assets Held by Domestic Financial Sectors - Credit Unions is now known as Credit Unions; Credit Market Instruments; Asset.
The source series id is FL474004005.Q.
The series previously appeared in Table L.1. For further information see the assistance provided in the guide to the Financial Accounts at http://www.federalreserve.gov/apps/fof/.
Board of Governors of the Federal Reserve System (US), Credit Unions; Credit Market Instruments; Asset, Level" [CUTCMAHDFS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CUTCMAHDFS, March 23, 2018.