Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover features a dog. The inside reads: "God loves you and we do, too! Love, NATALIE" and features illustrated stick figures representing the sender, labeled "Me" and "My friend Benji."

Handwritten note written in black marker on a notepad page with a blue floral banner and medallion in the upper center. The note reads: "For our neighbors...and Jerry. Cliff and Robin." Piece of tape affixed upper center.

Laminated mixed media collage with paper, dried leaves, and marker. Tree in the center; two clouds and sun in upper register. Handwritten inscriptions in various marker colors on tree trunk and upper center. Extensive bleeding to back and signs of water exposure; creasing.

Handwritten card in pencil on paper. The front cover features a Star of David in the center and reads in Hebrew: "L'chaim" (to life). The inside reads: "My condolences for this tragedy. Sending love from Cleveland, Ohio. Stay strong. You are in my prayers. Love, Louis [last name redacted]."

Floral tag from floral arrangement, which reads: "We are sorry for your loss and hope you feel better." Note is handwritten in black ink on a printed tag featuring a white rose on the left.

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

Handwritten note written in black marker on a manilla envelope. Note is addressed to Tree of Life and contains messages in both English and Hebrew.

Handwritten note in black marker on paper. The note reads: "Pittsburgh we are all with you." Tearing and staining due to exposure to the elements at the Wilkins memorial.

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

Floral tag from floral arrangement. The tag features a quote from Psalm 121:4, which reads: "Indeed, he who watches over Israel will neither slumber no sleep." The message is handwritten in black ink on a printed tag with white and purple flecked flowers.

Post-it note with handwritten message in black ink. The message reads: "Z"L."

Post-it note with handwritten message in blue marker. The message reads: "I think this means when there is hate and sorrow be the one who makes happiness and kindness into the world. Simon [last name redacted]."

Post-it note with handwritten message in blue ink. The message reads: "Find strength in community today and hope for a better tomorrow." A heart appears between the third and fourth line on the right.

Post-it note with handwritten message in blue marker. The message reads: "Stay strong [underlined]. If we work together hate can't win! [Heart]. [Heart] Pittsburgh [Heart]. - Stella K."

Hand painted sign with an illustration of a landscape with a blue sky, sun, green grass, and floating hearts. The message, "You are the best," appears on the center right.

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

Folded card with crayon illustration. Cover features heart surrounded by circles and name Max. Interior reads "Things do get better. I am sorry for the 11 killed and their families. But the world's not over. How will you bounce back from the tragedy. You guys are really strong sticking through the tragedy." Second note reads. "We are with you! Michele."

Double-sided letter written in black ink on lined notebook paper addressed to the eleven victims of the October 27 attack. Dated 10/29/19 upper right, front. Extensive staining on the upper center, front, and tearing on the edges, due to exposure elements at the Wilkins memorial. Signed Nicole on the back.

Flyer with "Stronger Together" in blue and red handwritten font against photograph of the skyline of Pittsburgh with a tree imposed against the clouds. Includes information about event and the names of featured performers, as well as various logos. A small note reads: "In memory of our holy brothers and sisters who died sanctifying G-d's name at Tree of Life-Ohr L'Simcha."