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 on its back, legs, and neck. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Handmade card in colored marker on paper. The front of the card features the word: "LOVE" in bubble letters; the letter "o" has been replaced with a large Star of David. Several smaller hearts and a multi-colored asterisk appear throughout. Signed, upper left: "Rylee Love." The back is signed, twice: "Love Rylee" in orange and purple marker, respectively. The card has been laminated.

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 center left. Bleeding to back and signs of water exposure; creasing.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To The Dear Tree of Life Community, I am so, so sorry for the loved ones you have lost in the most unthinkable of ways. Your brothers and sisters in San Diego, at Point Loma Community Presbyterian mourn with you. We pray that you will find a peace that goes beyond human understanding. Know that I am committed to doing- as much as any one person can do to build bridges of love, compassion, and shalom, and that I will always remember your family of faith while doing so.

Handmade sign with blue, red, yellow, and black crayon on cardboard paper reading: "You are loved." Illustrated with yellow and black hearts, evoking the color of the Steelers' uniform, on the lower left.

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

Handwritten letter written in black ink on lined notebook paper from a Jewish resident of Riverdale, Ny. Addressed to Congregation Tree of Life, the Squirrel Hill community, Pittsburgh, and everyone grieving from the October 27 attack.

White posterboard with handwritten message in colored marker. The poster features a quote from 1 Peter 4:8, reading: "Continue to show deep love for each other." The word "love" is embellished with over a dozen hearts. The word, "Trump" has been crossed out on the upper left corner on the reverse.

Note addressed to Jerry Rabinowitz written on the back of a business card from Doug [last name redacted], a certified Pilates instructor in the Pittsburgh area. The note reads: "Dear Jerry- I will miss you. Best peace sir!"

Floral tag from floral arrangement addressed to the members of the Tree of Life synagogue. The note is printed on a tag with a beige background from a local florist; tearing in the center right 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 a turtle 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."

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: "Don't bully people and stand up for people when they are getting bullied."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Brothers and Sisters LOVE conquers all!!!"

Card addressed to the Fienberg family from a family in Miami, Fl. Joyce Fienberg was a victim of the October 27 attack.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May GOD grant you ALL the grace and mercy our human family can minister and let your faith be a reflection of GOD's LOVE for all of us."

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

Letter written on a piece of notepad paper with a blue line on the right edge. The note reads: "To the loved ones lost, 'Magnified and sanctified be Your name.' Always remembered. The [last name redacted] David, Alyson, Theodore and Andrew."