Are you interested in 70's style hentai?
Here is sample of pre-moe era h-manga.
These classic style arts are still being published for old generation.

Looks more like 90's style.

Base +6, titoloco +7

Nice to see some magazine of the 'gekiga' tradition being posted. It's worth to post just for the goodness of Ken Tsukikage art :)

Table of Contents:

Cover by ???

003 Kageyama Rou (景山ロウ), scenario by ハ幡萬十朗 (?)
025 Mizushima Kiyoshi (みずしま聖) (Mizushima Kei on doujinshi.org)
047 Aoyama Kazumi (青山一海)
065 Hayashi Masaya (林昌也)
087 Shirono Akira (城野晃), scenario by ??? (too lazy to search)
109 Yoshihama Sakari (吉浜さかり)
127 Ikawa Takashi (井河隆志)
145 Ken Tsukikage (ケン月影)

It's not the oldest h-manga magazine still being published, there is Manga Plaza that is running since 1976!

Base +26, bssgkid +8, Maximum_Joe +73

So probably this is what Hayao Miyazaki fapped to.

Base +11

Cover is amazing

Base +6, bssgkid +8

p153 Dat ass
man, i really got a boner on that page.

Base +20

我tm社保，，，

Base +16