Open letter
type of letter
A Letter to the Liberals
2022 open letter from Nobel laureates in support of Ukraine
List 15
Letter from Birmingham Jail
Letter to a teacher
Letter4u (twitter hashtag)
Ai Palleschi
Open Letter to Hobbyists
To the People of Texas & All Americans in the World
carta
Open Letter on Artificial Intelligence
Letter of the Six
A Common Word Between Us and You
On Spirals
The Quadrature of the Parabola
First Apology of Justin Martyr
On Conoids and Spheroids
Letter of 300 soviet scientists
A Modest Video Game Proposal
Alberta Agenda
Thoughts on Flash
Second Apology of Justin Martyr
Crime and Government at Hong Kong
Open Christmas Letter
J’accuse…!
The Triple Revolution
Letter of 40 intellectuals
A Word to the People
A Letter on Justice and Open Debate