Regardless of one's political opinion of Ronald Reagan, his letter announcing his Alzheimer's diagnosis is relevant and poignant.
https://www.reaganlibrary.gov/reagans/ronald-reagan/reagans-...
NOTICE WARNING CONCERNING THE REPRODUCTION OF THIS LETTER
The Reagan Library is authorized to make copies of this letter available only for the purpose of private study, scholarship or research. This letter may not be reproduced for publication without the expressed consent of the personal representative of Ronald Reagan. For more information contact: Ronald Reagan Presidential Foundation 40 Presidential Drive Simi Valley, CA 93065 1-805-522-2977
If it makes you feel more comfortable, here is instead a reproduction by PBS: https://www.pbs.org/wgbh/americanexperience/features/reagan-...
and another by Time, including an image of the original handwritten letter: https://time.com/4473625/ronald-reagan-alzheimers-letter/
neither of which include the encumbrance that the Reagan Library added to their copy.