The Black Scab in Potatoes No. 2 Order (Northern Ireland) 1923
ORDER OF THE MINISTRY OF AGRICULTURE, NORTHERN IRELAND, UNDER THE DESTRUCTIVE INSECTS AND PESTS ACTS, 1877 AND 1907 (40 & 41 VICT., c. 68, AND 7 EDW. 7, C. 4).
1923. - No. 68.