Handwritten card written in pencil on paper. The card reads: "Dear Family, Hello my name is Elisha D. I am from Netivot, we stand together with you because a loss for you is a loss for us. May you only see simchas."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "I am so sorry for the loss in your community. I hope you know there are many in our church and community who support you in your loss with our prayers."

Post-it note with handwritten message in black marker. The message reads: "May their memories be a blessing." Signed with a heart and a Star of David.

Program from the November 4, 2018 Sunday worship at Blessed Sacrament Cathedral in Greensburg, Pa. The program contains a special prayer, titled "A Prayer for our Neighbors," which offers words of support for all the victims of the October 27 attack. Signed by two parishioners, Ed and Camille [last name redacted] on the center left.

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 reads: The church's contact information is included on the back of the envelope. "Our hearts are burdened by what happened in Pittsburgh. We know that we serve the same G-d and the G-d of the Old and New Testaments does not call us to violence each other. We pray for healing in Pittsburgh, in synagogues throughout America and for love from all churches.

Card from clergy members affiliated with San Dieguito United Methodist Church in Encinitas, California. The front of the card features a multi-colored pattern of tiles with the message: "We Care About You-: We're thinking of you because we so much- and we to show you somehow..." in the upper center. The inside features a stock inscription: "So we're hoping you feel all the love that we're sending to help and support you right now!" as well as additional handwritten note from various clergy members.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our Brothers and Sisters at Tree of Life Synagogue, First off, my heart is saddened by the unspeakable tragedy that visited your community last week. My (one) heart breaks with you and we mourn beside you. Second, I feel anger that this could happen. Anger that anyone who have so much fear and brokenness in them that they could commit this kind of act. Finally, and most profoundly, I feel a sense of hope!

Preprinted card with swirling design on front. Interior includes handwritten message expressing solidarity with Tree of Life Congregation.

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 peace, love, and unity. The church's contact information is included on the back of the envelope.

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.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "We are praying you. We don't deserve this [heart symbol]. Nicole [heart symbol]."

Floral tag from floral arrangement addressed to Tree of Life synagogue. The message is printed on a tag from a local florist.

Printed note in black ink on white paper. The note reads: "Love and Prayers for the 11 Slaughtered Innocents. Love Over Hate." A line of interfaith symbols including the Star of David, cross, crescent moon, Om, Kanda, and Dharma wheel appears below. Tearing and creasing due to exposure to the elements at the Wilkins memorial.

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

Card from the Friendship Circle of Illinois. The cover reads: "To the Jewish community of Pittsburgh, From: Ari [last name redacted]." The acronym "B"SD" (with the help of heaven) appears in the upper right corner. The left flap on the inside features a large smiley face. The right flap reads: "I feel very bad for you and there should be always good stuff. And there be no bad stuff and Moshiach should come right NOW!!" A smiley face has been inserted inside the letter O.