1841 9 Feb. Sir F. Burdett presented a petition from St. Leonard's Shoreditch, against the unionising of parishes..for the purposes of the Poor-law Amendment Act.
1978 S. Brill v. 159 The women had seemed especially unsure about taking the bold step of unionizing.
2000 29 Nov. c2/5 Managers have argued how unionizing would be bad for Amazon.