The books recommended all look expensive, so not for dabbling. 2. A quick search turned up a bunch of free resources that look helpful: LibreTexts ( https://libretexts.org ). - Source: Hacker News / 10 months ago

There are open-source textbooks available free as pdfs from openstax.org and libretexts.org I can't speak to the organic ones, but the general and analytical texts are as good as any hardcover text. Source: 11 months ago

You can also get more up to date, peer reviewed texts as free pdfs from openstax.org or libretexts.org. Source: about 1 year ago

PROMPT: Use the following sources to cite information: Https://chem.libretexts.org/ Https://libretexts.org/. Source: over 1 year ago

Https://libretexts.org/ might help. Source: over 1 year ago

I also use the Wayback Machine at https://web.archive.org/. Source: about 1 year ago

For your course idk, but if rly dh, go to https://web.archive.org/ this is called way back machine which is used to find older version of websites. Just enter nyp.edu.sg into the search bar and select the date. Source: about 1 year ago

Rule #5 - #5: Don't link to bad websites. Use archived versions: Avoid linking directly to tabloids or hateful websites. Please use the Wayback Machine or Archive.is. Source: about 1 year ago

For those sites that have blocked the service, there's also the Wayback Machine at Archive.org. Source: about 1 year ago

In a pinch you can get access to gated Chron articles thru the Wayback machine. https://web.archive.org/. Source: over 1 year ago