RT Book, Section SR Electronic(1) A1 United Nations Office of Legal Affairs YR 1999 T1 No. 9431. Convention concerning the powers of authorities and the law applicable in respect of the protection of infants. Opened for Signature at The Hague on 5 October 1961 T2 Treaty Series 1775 PB United Nations SN 9789210596947 DO 10.18356/275c4e9b-en-fr UL https://www.un-ilibrary.org/content/books/9789210596947s004-c019