On the issue as to whether a loan broker was the agent of defendant in negotiating a loan for him, or the agent of the plaintiff company which made the loan, correspondence between the broker and the plaintiff's manager relative to defendant's loan and a requested extension thereof, and concerning other loans made by plaintiff through the broker, is admissible in evidence, and the question is for the jury. Jesson v. Texas Land & Loan Co., 3 Tex. Civ. App. 25, 21 S. W. 624; Wefel v. Stillman (151 Ala. 249), 44 S. 203; Wallick v. Lynch (Iowa, '06), 106 N. W. 617; Veale v. Greene, 105 Mo. App. 182, 79 S. W. 731; McCombs v. Moss, 181 S. W. 907, 121 Ark. 533; Sills v. Burge, 124 S. W. 605, 141 Mo. App. 148; Coffman v. Dyas Realty Co., 159 S. W. 842, 176 Mo. App. 692; Vritain v. Rice, 204 S. W. 254, - Tex. Civ. App. - .