In NLRB v. Peter Cailler Kohler Swiss Chocolates Co., 130 F.2d 503 (2d Cir. 1942), Judge Learned Hand stated his view of the type of activity protected by section 7.
In NLRB v. Montag Bros., Inc. 5 Cir. 1944, 140 F.2d 730 this court affirmed without discussion a Board finding that it was an unfair labor practice to discharge non-union employees who had refused to cross a picket line at their employer's place of business.