I've tried so many different websites trying to find cheap lightroom film emulations.
I'd like to achieve looks like these:
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There is nice third-party add-on from Google called Nik. It was paid but they released it free. It cooperates nicely with Photoshop and Lightroom.
Black and White: https://www.google.com/nikcollection/products/silver-efex-pro/
There are several film presets as well as possibility to do things manually.