by Nation's Attic Inc
281: 20 YEARS UNDER THE SEA JE WILLIAMSON 1936
282: JOHNNO THE DEEP-SEA DIVER PETER DAWLISH 1960
283: BLOW ALL BALLAST! NAT A BARROWS 1940
284: THE BOTTOM OF THE SEA SONREL 1870
285: WONDERS OF THE GREAT DEEP GOSSE 1874
286: 1930S SHALLOW WATER HOMEMADE HELMET - UNIQUE
287: HURRICANE WARNING FRANK MEIER 1947
288: EPICS OF SALVAGE BY DAVID MASTERS 1954
289: DOWN TO THE SHIPS IN THE SEA BY GROSSETT 1954
290: TREASURES IN THE DEPTHS BY ROBERT UHL 1955
291: DIVING, CUTTING & WELDING BY FRANK THOMPSON 1944
292: NAVY DIVER BY KARNEKE & BOESEN 1964 W/ DUST JACKET
293: MASTER DIVER & UNDERWATER SPORTSMAN BY HAMPTON 1962
294: VERY RARE 1800S JOHN DATE DIVING HELMET MADE IN CANADA
295: TREASURE OF THE BUCCANEER SEA BY RIESBERG 1962
296: I DIVE FOR TREASURE BY LT. HARRY RIESEBERG 1942
297: TREASURE HUNTER BY LT. HARRY RIESEBERG 1945
298: TREASURE BELOW BY EDWARD ELLSBERG 1963 SANTA CRUZ TREAS
299: ON THE BOTTOM BY COMMANDER EDWARD ELLSBERG 1938
300: POSEDON HAMBURG 4 LIGHT 12 BOLT DIVING HELMET