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."

Oversized handmade card on light brown construction paper with line drawing of a tree in blue marker on front. Interior includes messages from the sender.

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.

Printed label which reads: "Thinking of You. Liberty K-5 students." The label is taped to a piece of clear cellophane.

White posterboard with handwritten messages of support from the Thornhill Rebels in Toronto.

Card with pre-printed message reading, "'Sorry is not a big enough word to express the concern we feel for you." Interior includes handwritten signatures and messages from various members of the staff."

White posterboard with dozens of hands in red and pink paint. Initialed in multiple colors by creators. The words "Hope and Love," peace signs, and Stars of David are scattered throughout.

White foamcore board with messages written in multiple marker colors. Board framed by strips of orange duct tape.

Program from November 4, 2018 Sunday worship at Lincoln Place Presbyterian Church in Pittsburgh. The eleven victims of the October 27 attack were memorialized in the church's prayers and remembrances for those who had passed in the past year.

Handmade laminated poster featuring tree with numerous multicolored paper leaves; printed inscription upper center. Handwritten inscriptions in various ink colors in each individual leaf. Blank back.

Bright pink paperboard with messages written in black on the front. Blank back.

Large piece of green construction paper with white markings. Tree with leaves, outlined in pencil and with white paint, in the center. Signed in marker lower center. Tearing and creasing due to exposure to the elements at the Wilkins memorial.

Laminated posterboard with a tree with heart shaped leaves in the center. Each heart contains a message or signature from sender. Blank back. Signed: "With love, the children of St. Patrick's School in Canonsburg."

Envelope containing letters written by members of the Point Loma Community Presbyterian Church in San Diego, California. The envelope is labeled with a piece of paper reading: "Letters for Tree of Life Synagogue."

Poster with short messages and multiple signatures from students at the St. Joseph Catholic Parish Religious formation written in various colored markers.

Handwritten letter expressing sympathy and messages of goodwill from various lay members of the San Dieguito United Methodist Church in Encinitas, California. Last names redacted for privacy.