The Complete Works of Okamoto Ippei

An expansive collection of Okamoto Ippei's manga up to 1930, many of which are in his signature "manga manbun" style. [TEZUKA Osamu](https://mangabaka.org/author/sx0gw0c/tezuka-osamu) wrote in *The Secrets of Manga* that he was influenced by this collection. Full table of contents (in Japanese) here.