Box 1

1 Autographed Letter Signed (in French) dated February 10, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant offering encouragement. He states he understands her fear, worry, and suffering. He stands by that amidst the trials, the "sentiment of God" transcends all pain, through "l'universelle communion."

1 Autographed Letter Signed (in French) dated April 19, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant encouraging her to remember that all is in God's plan; the most difficult part is to wait for it. It is only then when she will be at peace with the loss of her son Tanguy.

1 Autographed Letter Signed (in French) dated April 28, 150 from Pierre Teilhard de Chardin to Adrienne Croissant discussing the nature of suffering and abandonment. He also speaks of meeting a lawyer upon his return from Morocco.

1 Autographed Letter Signed (in French) date May 4, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant discussing the impossibility of ultra-humanism without monotheism and no neo-monotheism without ultra-christisme. He is beginning to write a paper on the arrival and the development of responsibilities in the world, waiting for a response from Rome for his proposed book, an applying for candidature a L'Institut.

1 Autographed Letter Signed (in French) dated June 19, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant. Chardin extols Croissant's ability to remain joyful amidst suffering. He has received no news from Rome as to whether his writing has been approved.

1 Autographed Letter Signed (in French) dated July 19, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant asking for ideas that could inspire his writing. He has not heard news from Rome (regarding his writing) and has decided to remain in Paris. He has slated his book to be finished the following September described as scientific as opposed to philosophic. He foretells that a new socialo-mentale will descend upon the world at the advent of the Cold War.

1 Autographed Letter Signed (in French) dated August 5, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant opens with Theilhard's decision to go to L'Auvergne with his brother. He is writing a clandestine piece on the two forms of the spirit: Spirit of Identification and the Spirit of Unification. He also requested Trorres-Bodet to change the definition of UNESCO from "equality of the races" to "complementarity of the races." His overall theme is a change in the perception of God.

1 Autographed Letter Signed (in French) dated September 4, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant discussing sentiments and religious self-expression. He intends to write an essay before he returns to Paris about the possibility of developing a "Christologie" capable of reaching the world, creating the best expression of his faith, and the best way of diffusing it.

1 Autographed Letter Signed (in French) dated October 13, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant discussing an impending essay and a conference on the future of human species according to a biologist in Belgium. He mentions meeting Cardinal Lepicier who suggested a book to him on the subject.

1 Autographed Letter Signed (in French) dated October 22, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant responding to a question of creation. He goes into great detail the difference between the spirit beyond the material body and the spirit of and within synthesis.

1 Autographed Letter Signed (in French) dated December 30, 1950 from Pierre Teilhard de Chardin to Adrienne Croissant, a small thank-you note for a photo Croissant had sent. Written on the eve of New Year's Eve, Teilhard de Chardin urges her to evaluate her pain, continuing to live for her children and her work in the coming year.

1 Autographed Letter Signed (in French) dated February 11, 1951 from Pierre Teilhard de Chardin to Adrienne Croissant written after finishing lessons at the Sorbonne. He comments on the discovery of a rock "calcedoine."

1 Autographed Letter Signed (in French) dated March 4, 1951 from Pierre Teilhard de Chardin to Adrienne Croissant confirming a letter received. He expresses sympathy for her loss and that God will deliver her sorrows.

1 Autographed Letter Signed (in French) dated April 15, 1951 from Pierre Teilard de Chardin to Adrienne Croissant discussing the nature of true penetrating faith. He expresses that the divine touch of God is essential to anticipating and interpreting the two forms of God.

1 Autographed Letter Signed (in French) dated April 15, 1951 from Teilhard de Chardin to Adrienne Croissant. It is a note thanking Croissant for a letter and a visit earlier.

1 Autographed Letter Signed (in French) dated June 22, 1951 from Pierre Teilhard de Chardin to Adrienne Croissant, a short thank you letter. He is unable to visit her immediately but will see her soon.

1 Autographed Letter Signed (in French) dated August 12, 1951 from Pierre Teilhard de Chardin to Adrienne Croissant. This letter was written during his visit to Johannesburg, South Africa. He describes its similarities to an American city and its stark climatic, environmental, and people differences. He writes that he will be beginning an excursion search for the "paleontologique humain" and will be writing a piece on it.

1 Autographed Letter Signed (in French) dated October 15, 1951 from Pierre Teilard de Chardin to Adrienne Croissant during his visit to Capetown, South Africa. He is writing upon arrival from Johannesburg and Transvaal to Capetown. He describes that his geological work is converging with his exploration into "l'Homme. He will be continuing his travels to New York via Buenos Aires.

1 Autographed Letter Signed (in French) dated February 23, 1952 from Pierre Teilhard de Chardin to Adrienne Croissant after his visit to Washington, DC. He visited a Catholic University and the National Museum to discuss the science of l'Homme. He discusses the different perspectives (anthropological, theological, philosophical etc.) of l'Homme. He also mentions the Wenner-Gren Foundation as a great place to exchange ideas.

1 Autographed Letter Signed (in French) dated May 10, 1952 from Pierre Teilhard de Chardin to Adrienne Croissant discussing the nature of the conscience in the context of consolation. He claims that when the conscience burdens the heart "to be" (l'Etre) it is necessary to pray (references Job). He also gives an update on his work regarding Le Phenomene Humain.