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We send Booklets for free to anyone who asks for them. Once a year we encourage you to help us, if possible, by making a voluntary donation. Even if you cannot collaborate in this way, we will continue sending our booklets out to you.

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For the moment, we can guarantee the sending of our publications to countries outside of Spain only to persons who have collaborated economically with us. Once you have registered, you can make your donation here. If you are a new subscriber, we will send you our booklets free only during the first year.

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