Weekly Manga Times
... that Keizō Tsukamoto set a Guinness World Record by creating the cover art for more than 1,900 issues of Weekly Manga Times starting in 1970?
... that Keizō Tsukamoto set a <a class="mw-redirect" href="./Guinness_Book_of_World_Records" id="mwDtY" rel="mw:WikiLink" title="Guinness Book of World Records">Guinness World Record</a> by creating the cover art for more than 1,900 issues of <i id="mwDtc"><b id="mwDtg"><a href="./Weekly_Manga_Times" id="mwDtk" rel="mw:WikiLink" title="Weekly Manga Times">Weekly Manga Times</a></b></i> starting in 1970?