Nr 237 - Second International Congress on Muscle Diseases. 1971. ; Nr 238 - br. ; Nr 239 - Depresion in the 1970's. 1971.
Card's contents:516,909 Nr 237 - Second International Congress on Muscle Diseases. 1971. Nr 238 - br. 516,423 Nr 239 - Depresion in the 1970's. 1971.