Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "The Tree of Life Members, even though you are going through something tough you will get through it by praying and being with each other. Sincerely, Holy Angels CCD."

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.

Post-it note with handwritten message in black ink. The message reads: "The strength of your Jewish community is inspiring. From NYC to Pittsburgh, we love you." Color bleeding due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in black marker. The message reads: "We love you!" An illustrated heart appears in the upper right corner.

Note with hand drawn illustration of two flowers and the moon. The illustration is accompanied by the following message: "When I'm in alignment with the love of the universe, peace cannot be disrupted." Illustration by Micaela [last name redacted] and words by Gabrielle [last name redacted]. Fading and color bleeding due to exposure to the elements at the Wilkins memorial.

Folded card with marker illustrations. Cover reads "Best Wishes." Interior features illustration of smiling sun over water and words "Best Wishes" and name "Harper [last name redacted for privacy]."

Black and white laser print with the Stronger Than Hate symbol on the front; Pittsburgh Penguins symbol with Star of David on the back.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "We are here and praying in your time of need."

Card from the Friendship Circle of Illinois. The card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I will daven for you and give extra tzadakah (charity) and nothing else should happen like what just happened and when moshiach (the Messiah) comes [?] and Hashem will do t'chiyat hameitim (resurrect the dead). The rest of your life should be successful. From so and so... which." The acronym "BS"D" (with the help of heaven), a common header in traditional Jewish letter-writing, appears in the upper left corner.

Bright green posterboard with inscription in black marker. Blank back.

Folded card on orange paper. Red and green staining. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

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."

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: "We are praying for you. May God guide you through. Love, you[r] friend at Holy Angels." Spelling errors corrected for clarity.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Please feel our love, our support and our commitment to peace in this world. Our church community holds you and your congregation in our hearts. Susan [last name redacted]

Blue sign with white text informing readers about memorial preservation and removal scheduled for November 12, 2018. Reverse contains a message about flower composting written in bold strokes of black marker on white background.

Handmade card in purple, blue, green, and black ink on white paper. Signed by Talia, Jacob, and Jayden. Illustrated with small hearts throughout. Smudging 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 of the words: "Breathe" surrounded by a border with floral and geometric motifs. The back contains a handwritten note featuring a quote from Richard Evans, as well as the stock signature: "From your friends at West Allegheny Middle School."