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

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 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 and floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains the handwritten inscription: "God Bless" [heart]. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "My mother and I were so saddened when we heard of the tragedy that occurred. It seems unthinkable that a human being could behave in such a deplorable manner. My mother and I are keeping everyone and their families in our hearts, minds and prayers.

Grey and black sticker with the words: "You are beautiful" on the front. The back contains a hashtag and web link to the "You Are Beautiful" company website.

Handmade sign with white graph paper and black marker taped to cardboard, reading: "From Ohio and Oklahoma, you are loved and will not be forgotten."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Tree of Life, We are a Junior High small group from PLCPC. We are sorry for your loss. We are praying for the injured and those friends and family of those who died. We will continue to pray as your community continues to heal. Point Loma Community Presbyterian Church San Diego, CA. Mindy, Allison, Ellis, Mike, Logan, Georgia, Ana, Tessa, Sarah, Quinlan."

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.

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

Oral history with Josiah Gilliam recorded as part of the Meanings of October 27th oral history project.

Collage with a hand drawn tree in the center. Leaves comprised of multicolored tissue paper; two ready-made decorative leaves in orange, yellow, and red fabric. Signed in red ink lower center. Yinyang in blank ink appears on the lower right; dove outlined with fuchsia ink appears on the lower left.

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: "I am sorry for your loss. From: Holy Angels CCD."

Summary: KDKA-TV report providing a history of mass shootings in the Pittsburgh area between 2000 and 2018.

Card on blue paper with handwritten note and illustrations. The card reads: "From: Luke. We love you!" Six hearts illustrated in brown and pink pencil appear throughout. Creasing, staining, and fading due to exposure to the elements at the Wilkins memorial.

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 sender added the following inscription below, writing: "Tree of Life Members, Holy Angels CCD." The inside reads: "There is always hope" and features a large cross.

Card made by a student from the George Washington University Hillel. The front cover reads: "Sending our Love." The inside reads: "Lots and lots of love. You are in our thoughts, prayers, AND actions. [Six heart symbols]. Continue being strong [heart symbol]. You are not alone [heart symbol].

Handwritten letters from Rev. Carol [last name redacted] of Lakewood, Ny. and Leslie [last name redacted] of York, Pa. written in blank ink and pencil respectively on lined notebook paper. Staining due to exposure to the elements at the Wilkins memorial.

Typed copy of Professor Marc Brettler's address to his students at Duke University the Tuesday following the October 27 attack. This address was delivered by two people from Durham, North Carolina: Francis and Joanna [last names redacted].

Note written in black and blue ink on bright pink notecard with a quote from Psalm 29:11 and the phrase "Stronger Than Hate." Star of David left center. Green staining on right edge due to exposure to the elements at the Wilkins memorial.