The Ark No.19, June 15, 1935

• Collection: The Ark newsletters
• Date: 1935-06-15
• Format: newsletters

The Ark No.22, August 1, 1935

• Collection: The Ark newsletters
• Date: 1935-08-01
• Format: newsletters

The Ark No.23, August 15, 1935

• Collection: The Ark newsletters
• Date: 1935-08-15
• Format: newsletters

The Ark No.9, January 1, 1935

• Collection: The Ark newsletters
• Date: 1935-01-01
• Format: newsletters

The Ark No.24, September 15, 1935

• Collection: The Ark newsletters
• Date: 1935-09-15
• Format: newsletters