Weekly Shonen Jump #22

When was Weekly Shōnen Jump #22 published?

Weekly Shōnen Jump #22 has a cover date of June 3, 1969 (it went on sale earlier, on May 20, 1969), published by Shueisha in Japan.

Which manga series were featured in Weekly Shōnen Jump #22?

Weekly Shōnen Jump #22 (cover-dated June 3, 1969) featured Harenchi Gakuen, among other ongoing serializations.