Post-it note with handwritten message in green marker. The message reads: "Never again! We love you." Tape on the upper edge. Tearing and creasing due to exposure to the elements at the Wilkins memorial.

White envelope with a handwritten note in blue ink, reading: "To Our Jewish Friends and Neighbors." Staining, color bleeding, and minor tearing due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in blue ink. The message reads: "We love you. We are here for you." Color bleeding due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in red marker. The message reads: "May the survivors and the victims' family have strength fortitude, peace and calm. -Chris F." Tape affixed to the upper edge.

Folded card on light blue paper. Extensive creasing and blue and yellow staining. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Handwritten card in red marker on paper. The card is signed: "Owen" and contains two illustrated stick figures.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the word: "Smile" and other floral and geometric motifs. The back contains a handwritten note in fuchsia pencil, reading: "I've lost loved ones I care about and know how hard it is. Please know I am thinking about you and I'm sorry for your loss." The stock signature: "From your friends at West Allegheny Middle School" appears on the bottom right.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover reads: "I am sorry" and features a large heart below. It is signed: "By D'mitri." The inside reads: "Dear survivors of the synagogue shooting, I AM sorry FOR your LOSS. This note is from D'mitri [last name redacted]. I live in Colorado."

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.

Card from three students [last names redacted] at Magen David Yeshivah High School in Brooklyn, Ny. Front cover features a red heart in the center with lines connecting to Stars of David on either side. The inside message has faded away due to water exposure at the Wilkins memorial. The back flap contains a message of sympathy and condolence. The card ends: "GET WELL SOON! [heart]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "I pray for you with all my heart. May God's healing love rain down on you. Love, Mary."

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."

Folded card on yellow paper with handwritten message in black marker. The front cover reads: "My thoughts and prayers are with you and the Jewish community through these tough times that you and all Pittsburgh people are going through right now."

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.

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

Hand painted sign with white, black, and red paint on cardboard with the word "Hate" crossed out with a red slash inside a red circle.

Post-it note with handwritten message in blue marker. The message reads: "We will love, no matter."

Double-sided letter. The front features a letter written in blue ink on a white background. The letter is addressed to the families and friends of the October 27 attack victims, the three congregations that gathered to pray at the Tree of Life synagogue, the people of Squirrel Hill, the people of Pittsburgh, as well as all citizens of the world. The addressees are listed in six respective hearts in the upper center. The hearts are surrounded by the branches of two trees which frame either side of the letter.