Perko Marine Range and Towing Ship's Lantern Lights - Pair of Vintage, “ Perko”, Perkins Marine Range and Towing Ship's Lantern Lights - Rafael Osona Auctions Nantucket, MA
1910s Brass Steamship Lantern by Perkins Marine Lamp Corp. of Brooklyn, New York: Flying Tiger Antiques Online Store
Ships Navigation Lights by Perko, Nautical Lanterns, Red and Green Port and Starboard Lights, Clear Masthead and Anchor Lights, Boat Signal Lanterns and Naval Lamps
Skipjack's Nautical Living: F. Persky & Company- The Beginning of the Perko Story
Quality Boat Bow Lantern by Perko – Lannan Gallery