We had bibliographies and reviews even before the internet. Back then you filled in your interlibrary loan request, the library would sent it out to its corresp

We had bibliographies and reviews even before the internet. Back then you filled in your interlibrary loan request, the library would sent it out to its correspondence libraries, and only within a few days the postcard would come, telling you that your book was available for pickup. That said, bibliographic databases have been around since computers. They were just restricted to librarians, mostly because of infrastructure issues.