The Hellsing manga has been released in English by Dark Horse Comics. If you live in an area where they're available, please buy them. If not, this torrent can help you out.
And if you'd like to see other works of Kōta Hirano's, as well as some nifty Hellsing media, you've come to the right place.
More samples of Hirano's pre-Hellsing work are available here. (Scroll down.)
The Legends of Vampire Hunter
Hentai short, a prototype of Hellsing Order 01.
Hentai short featuring proto-Doc, Hitler, and a catgirl.
More hentai. Some Nazis capture a catgirl. You can see where this is going.
A story about a would-be mangaka and the secret organization out to get him. Features several prototypes of familiar faces.
Untranslated Hellsing Doujinshi
Innocent - one-shot, IntegraxSeras (hentai)
Ja! Aundessen - seven parts, Alucardxyoung!Walter (hentai, non-con)
BE - one-shot, IntegraxAlucard with ensemble (sultry but non-explicit)
Young King Ours illustrations
High-quality, text-free YKO Hellsing covers.
2002 Hellsing calendar
Compilation of the best scans I could find.
If I've missed anybody in the credits, please call me on it.
A note: The payment for hosting these files is coming out of my pocket. If you downloaded something, please consider making a donation. Even $1 helps.