Handmade card in watercolor, marker, and ink on paper. The card features a quote from 1 Corinthians 12:12 on the front. It is signed on the back: "With love, Katie and Meagan and Mark."

Floral tag from floral arrangement addressed to Jerry sent by Darlene [last name redacted]. The tag reads: "To Jerry, Will always remember your kindness and compassionate bedside manner at SSH [Shadyside Hospital]. Love, Darlene [last name redacted] RN." The note is handwritten in black ink on white paper with a watermark in the lower center.

Floral tag from floral arrangement sent by the Manitoba Islamic Association in Canada. The tag reads: "Words cannot begin to express our sorrow at the senseless attack at a house of worship. Please accept our deepest condolences from the Manitoba Islamic Association." The message is printed on a tag from a local florist.

Laminated printed sign which reads: "Peace, Diversity, and Connection" over a photograph of a sunset on a rocky seashore.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover of the letter reads: "Letters." The inside reads: "My prayers and love are with all of the members of your synagogue."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains messages of support and prayer. The church's contact information is included on the back of the envelope.

Card from the Friendship Circle of Illinois. The front of the card features an illustration of 770 Eastern Parkway in Brooklyn, Ny., the international headquarters of the Chabad-Lubavitch movement. The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I'm very sad to hear about the tragic passing of the eleven yidden (Jews) who were so brutally murdered al kiddush Hashem (sanctified by God). I hope there will be no more bad things that happen.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "We wish you Peace and Love. May you feel that most people in the world love you and feel your sorrow. Love, Betty and Jack [last name redacted] Point Loma Community Presbyterian Church."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Our dear brothers and sisters at Tree of Life, You are not alone! I pray that God, our father, will fill you to overflowing with His peace and love as you mourn the loss of your family. May you find comfort in the knowledge that even in this tragedy God is in control and will bring beauty from the ashes. 'My comfort in my suffering in this: Your promise preserves my life.' Psalm 119:50."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Post-it note with handwritten message in blue marker. The message reads: "No hate" [heart, broken heart]. Just [heart]."

Post-it note with handwritten message in black marker. The note is written: "Heartbroken with all of you."

Typed copy of Professor Marc Brettler's address to his students at Duke University the Tuesday following the October 27 attack. This address was delivered by two people from Durham, North Carolina: Francis and Joanna [last names redacted].

Post-it note with handwritten message in blue marker. The message reads: "I'm praying for these holy souls, may God shine His light upon them!"

Envelope containing letters written by members of the Point Loma Community Presbyterian Church in San Diego, California. The envelope is labeled with a piece of paper reading: "Letters for Tree of Life Synagogue."

Paper cut outs in the shape of a tree trunk on brown paper. The first cut out is a smaller tree trunk with branches. The second is larger and features a Star of David illustrated in white and paint and topped with a blue band of paper on the top.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Post-it note with handwritten message in blue marker. The message reads: "May you all rest in eternal peace. God Bless [heart]."