Isaac Langley Williams (Firm)

• 1932 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• 1933 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• 1935 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• 1936 Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• 1937 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• 1938 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, and shrubs, and evergreens
• 1954 wholesale trade list
• 1955 wholesale trade list
• 1957 wholesale trade list
• Fall 1933 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, and wild flowers
• Fall 1936 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens
• Fall 1957 - Spring 1958 wholesale trade list