Handmade card in colored marker on paper. The card reads: "Love" and is illustrated with a heart below. Mild dirt stains throughout. The card has been laminated.

Diamante poem by which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock. A diamante poem is a seven-line unrhymed poem which is shaped like a diamond. The words of this poem washed away due to rainwater.

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: "May the peace and love of the Lord bless you all. Our hearts and prayers are with you as you try to understand the WHY of this tragic event. In Christ's love, Beverly [last name redacted] Pt. Loma Community Presbyterian Church 11-5-18."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Tree of Life Synagogue, 'Blessed are those who mourn for they will be comforted.' Know God's arms are wrapped around your community and the love of all of us are cradling you. Love, Susan [last name redacted], Moderator, Presbytery of San Diego.

Post-it note with handwritten message in black marker. The message reads: "With loving memory.... May all these innocent souls rest in peace in shamium (heaven)." Signed with a heart.

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. The inside reads: "I'm sorry for your loss. Jayden."

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 prayers for healing and comfort. The church's contact information is included on the back of the envelope.

Folded card on light green paper. Two circular stamped imprints visible in the center of both the right and left flaps. Pink and darker green staining throughout. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

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: "God Bless You." 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 reads: "Please know your brothers and sisters in Christ stand with you and offer our sincere condolences. Your roots are embedded in our Christianity. Your roots are strong and your strength will sustain you. In Christ's love, PLCPC San Diego, CA."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "We are sending you so much love- and will stand with you in peace forever- with you in peace. Steve and Bailey."

Card with a peacock on the front cover. The card reads: "A Catholic who loves all Jewish people! A friend, a neighbor, she loves you."

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

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "I'm sending you love during this most difficult time. I'm praying for you all. God loves us all and I hope you all will feel his amazing love during this trying time. My heart hurts at this time for you all. I love you! Pam."

Floral tag from floral arrangement sent by Kathryn, Jim, and James. The tag reads: "With love from Kathryn, Jim, and James. May their memory be a blessing." Note is handwritten in black ink on white paper; staining and creasing due to exposure to the elements at the Wilkins memorial.

Floral tag from floral arrangement, which reads: "May they Rest in Peace." The message is written in blue ink on a printed tag with multicolored flowers in the lower right corner. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.