Search on VERYCD, you should be able to find the relevant information and books you need.
If you think the download of electric donkey is slow, go to the library to find it.
You can also find what you want in search engines and encyclopedias, but it takes some time to filter and the content is scattered.
Your needs are so general that I can't help you find them. According to your own needs, find it yourself. It is estimated that the amount of information and data you need is huge.