And the July 1st 1955 Watchtower Magazine!
w55 7/1 p. 411 Christian Baptism for the New World Society
15 A Christian, therefore, cannot be baptized in the name of the one actually doing the immersing or in the name of any man, nor in the name of any organization, but in the name of the Father, the Son and the holy spirit. This shows, among other things, that Christianity is not a denominational affair, that sects have nothing to do with it.
and the May 1st 1959 Watchtower Magazine:
w59 5/1 p. 269 Attain Completeness in the New World Society
7 To hold to the headship of Christ, it is therefore necessary to obey the organization that he is personally directing. Doing what the organization says is to do what he says. Resisting the organization is to resist him.
.