Thank you for your interest in supporting L/L Research! As we share all of our information for free, we rely on your donations to keep the lights on.

There are several ways you can support L/L Research financially:

Direct donation via PayPal

If you'd like to make a donation using credit card or your Paypal account or set up a recurring donation through Paypal, click here:

PayPal - The safer, easier way to pay online!

Donations made to L/L Research are fully tax deductible. After we receive your donation, we will mail a printed tax-deductible receipt to US addresses (if it is provided), and email a receipt to international addresses.

*PayPal is our preference, but if you are unable to use PayPal to donate directly, you can use this $5 donation item to donate through our online store.


Patreon is a platform that makes it easy to support creators via recurring monthly contributions and allowing creators to connect with their supporters. We have plans for the future to use Patreon to share free content, but currently it is only another way for supporters to donate on a regular basis. If you'd like to become a Patron, click here:


A small online retailer called Amazon (maybe you've heard of them) offers a program for non-profits which allows customers to connect their account with a specific organization, then donating a small percentage of that customer's purchase directly to that non-profit. You can connect you account to L/L Research's (registered on Amazon as Rock Creek Research and Development Laboratories Inc) by clicking on the following link:

Check or Money Order

You can also donate by sending a check or money order to our PO box at the address below:

$5 Donation to L/L Research

$5 Donation to L/L Research

PayPal is our preference, but if you are unable to use PayPal to donate directly, you can use this $..


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