Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dearest Member of the Tree of Life Synagogue- We are so saddened by the tragic events of the past week. We have so many prayers and concerns for your congregation and your families. We hope that the country will feel your sorrow and hope that people all over the world will bless you. I am part of the prayer quilt ministry that provides quilts for those in need of prayer. We never know who the quilts are intended for as we sew them. But God knows.

Drawing in colored pencil on paper. Signed: "Rhea" lower center on the front; illustrated above with four-legged animal, perhaps a dog. Additional colored illustrations appear on the back. Extensive tearing and creasing due to exposure to the elements at the Wilkins memorial; the drawing is now torn into two pieces.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My prayer- my prayer is for all the people affected to be at peace. Please Lord look after their friends and family, loved ones in this time of need. In God's name I pray. Amen."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains the handwritten inscription: "God Bless" [heart]. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "My mother and I were so saddened when we heard of the tragedy that occurred. It seems unthinkable that a human being could behave in such a deplorable manner. My mother and I are keeping everyone and their families in our hearts, minds and prayers.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear friend, I am so joyful that you exist! As the well-loved child of God, you have an infinite worth and deserve so much love. My prayer is that you begin or continue to understand this throughout your life. May your life continue to be blessed. I love you! Love, Your friend from the Church at Severn Run."

Floral tag from floral arrangement, which reads: "We love you, pray for you and stand with you during this time. May God provide with His peace and comfort." The message is printed on a tag from a local florist.

Handmade, screen-printed card on red paper with blue paint. A heart appears in the center. Signed, lower right: "Love, Brian S." The card has been laminated. A piece of clear tape appears on the back.

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: "Dear friends: Praying for God's perfect peace and be with you and comfort you in this time of sorrow. Sincerely, Bob [last name redacted]. P.S. Even in this sadness, I believe God will bring good." 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 contains a quote from 1 Peter 4:3 about love and a prayer for God's love. The church's contact information is included on the back of the envelope.

Page of typed text. Header includes a roadway in the outline of a heart, surrounded by people on bikes. Green border around page. Program lists speakers at event. Footer inlcudes logos for Moms Demand Action, Ceasefire PA, and Squirrel Hill Stands Against Gun Violence and acknowledgement of several donors.

Post-it note with handwritten message in blue and red marker. The message reads: "Hate can't drown out hate. Only love can do that [heart]. By, Brandon."

Folded card on yellow paper with red and green stains. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

White posterboard with multiple signatures in colored markers. Illustration of two outstretched arms on the front. The upper half reads: "We lift our hands to God for you." The lower half reads: "St. Michael Catholic Family is praying for you." The reverse features additional signatures and a tree outlined in red in the lower center. Addressed to: "Tree of Life synagogue, Jewish community."

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "Dear Pittsburgh, I miss you terribly. I miss my home now more then ever. I stand with my city and my Jewish community now and forever. I am sending all my love from DC."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May God comfort you today and in the days ahead. I will keep you all in thought and prayer. [?] from Pt Loma P.C."

Poster with handwritten message in black marker reading: "My tears flow for the Tree of Life Congregation. My heart aches for the city I love. I mourn my country whose beacon of love and possibility is being extinguished by the hatred of a few." Illustrated with a red rose bud, which appears on the right center, underneath the words of the poem. Initialed lower right. Tape and punch marks on upper and lower corners and central edges.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "I am here in this moment" surrounded by arrows and other geometric symbols. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

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.