impact:

世界の鉄道 昭和39年版

According to PR-model, 世界の鉄道 昭和39年版 is ranked 717,838th in multilingual Wikipedia, in particular this website is ranked 23,249th in Japanese Wikipedia.

#Language
PR-model F-model AR-model
717,838th place
32,536th place
450,126th place
23,249th place
746th place
7,029th place