Climbing Tools and Techniques—1908 to 1939-Aid Climbing Mastery
Mechanical Advantage Series by John Middendorf
Climbing Tools and Techniques—1908 to 1939-Aid Climbing Mastery (Europe, PartB 1st draft)
Climbing Tools and Techniques—1908 to 1939 (Europe, PartA) Myths and Legends
Climbing Tools and Techniques—1908 to 1939-Aid Climbing Mastery (Europe, PartB 1st draft)
INDEX to Mechanical Advantage series - by John Middendorf
Climbing Tools and Techniques—1908 to 1939-Aid Climbing Mastery (Europe, PartB 1st draft)
Climbing Gear History: Who Invented the Nut? - Climbing
Climbing Tools and Techniques—1908 to 1939 (Europe, PartA) Myths and Legends
Climbing Tools and Techniques—1908 to 1939 (Europe, PartA) Myths and Legends
Expert Advice - What climbing gear do you need?