Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. It is signed: "[S]ean [last name redacted] Holy Angels CCD Grade 5." Due to water exposure at the memorial site, the message in this card has been partially erased. The remaining text inside reads: "[D]ear Tree of Life Members, I am very sorry of what happened... that peace is comforting everyone...tragedy in synagogue. P.S. Peace be with you.

Triangle-shaped card from a student at Fountain Valley School in Colorado Springs, Co. The card reads: "Dear members of Tree of Life, I am a Chinese [student] who is now studying in U.S. I am sorry about the situation that happened recently. Personally, I support you, do not be afraid! Peace be with you." Star of David in the upper center, peace sign in the bottom center.

Folded card with marker and colored pencil illustration. Front and back cover feature spread of tree emerging from blue field. Interior features scribbles and name "Veronica." Additional message reads "Our hearts go out to you at this tragic time, along with our wishes for healing. The Beth Chai Congregation of Greater Washington, D.C."

Wreath of twigs in the shape of a peace sign.

Post-it note with handwritten message in green marker. The message reads: "Love Wins [heart]."

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.

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 wishes for peace and divine love, and includes a quote from 1 Peter 4:8. The church's contact information is included on the back of the envelope.

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: "We love you! God is with you always!" The church's contact information is included on the back of the envelope.

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 affirms the sender's belief that we are all God's children. The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Sending Prayers and Love to you. I pray the peace of God will fill your hearts."

Glass vase containing a bouquet of yellow and orange synthetic flowers.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Brothers and Sisters LOVE conquers all!!!"

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To The Dear Tree of Life Community, I am so, so sorry for the loved ones you have lost in the most unthinkable of ways. Your brothers and sisters in San Diego, at Point Loma Community Presbyterian mourn with you. We pray that you will find a peace that goes beyond human understanding. Know that I am committed to doing- as much as any one person can do to build bridges of love, compassion, and shalom, and that I will always remember your family of faith while doing so.

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]."

Business card from Art of Steel, Ltd., a gift store located in Pittsburgh's Strip District neighborhood.

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Irving Younger." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.

"I voted" sticker with the "Stronger Than Hate" emblem on an orange background. The sticker includes the logo of the local printing company, Raff Printing, Inc. on the lower right. Dirt and other materials on the adhesive back due to exposure to the elements at the Wilkins memorial.

Handmade card in purple, blue, green, and black ink on white paper. Signed by Talia, Jacob, and Jayden. Illustrated with small hearts throughout. Smudging and staining due to exposure to the elements at the Wilkins memorial.