Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May the love and comfort of God, our father, be with you all in this dark hour. We pray for all of you. GOD BLESS You. Margaret [last name redacted]."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "You are not alone in this tragedy. We will pray for God's peace for your community. Love is stronger than hate. Colleen and Michael."

Handwritten "Prayer of St. Francis" written in black ink on white paper, glued to cardboard. Warping due to exposure to the elements at the Wilkins memorial.

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 is dated October 28, 2018 and reads: "Dear Friends, Peace to you. May you live in the love, joy, and kindness of the God of Abraham, Isaac, and Jacob. God is on the throne, always. Harry [last name redacted]." The church's contact information is included on the back of the envelope.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated Nov. 4, 2018 and reads: "Dear Tree of Life Synagogue Members, Our prayers are with you during this difficult time. May you find strength and comfort in your faith and fellowship. Our community prays for yours, with love, The [redacted] Family and Point Loma Comm. Presbyterian Church."

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.

Laminated text of the Catholic "Beatitudes" blessing printed on paper with light blue checkered pattern in background. A yellow band with the words "The Beatitudes" appears in the upper center; blue and purple clouds covering the sun appear to the left. A handmade paper medallion with five decoratively rolled spirals and a silver string has been taped to the front.

Hardwritten card in blue pen on white paper, offering condolences following the October 27 attack.

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.

Hand painted card with abstract lines and shapes in brown, green, and blue paint on paper. Signed: "Love, Khira D." lower right. The card has been laminated.

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.

Handwritten note written in black ink on cream colored paper with a rose and rose bud illustrated in the upper left and lower right corners, respectively.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a flower with geometric motifs. The back contains a handwritten note, as well as a partial stock signature: "From your friends at West Allegheny Middle School."

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 divine love. The church's contact information is included on the back of the envelope.

Brown envelope with handwritten note in black ink on a rectangular emblem, reading: "In Memory." Staining and creasing due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in red marker. The message reads: "We will love you forever." Creasing due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in black marker. The message reads, in Hebrew and English: "Rest in Peace." Signed by Rabbi Fred Pomerantz.

Folded card on blue paper with various taped cutouts. Front cover contains a white heart-shaped cutout. Inside features cutouts in the shape of a house, sun, and blue sky. The sun's rays are illustrated in colored pencil.