Text this: The 1968 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insurance and Disability Insurance Trust Funds. Letter from Board of Trustees, Federal Old-Age and Survivors Insurance and Disability Insurance Trust Funds transmitting the 1968 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insurance Trust Fund and the Federal Disability Insurance Trust Fund, pursuant to the provisions of section 201(c) of the Social Security Act, as amended.