That veteran of the nursery business, G.W. Walling, is reinforced by his son, Mr. Albert Walling, who now has practical charge of the business, and the old Oswego nursery still turns out hundreds of thousands of trees and shrubbery, at short notice. A line addressed to G.W. Walling & Son will meet with immediate response.
Source: Willamette Farmer, November 21, 1879.