Plastic Ziploc bag with multicolored blue, red, and yellow ribbons tied into a bow on the upper right corner. Staining and dirt due to exposure to the elements at the Wilkins memorial.

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 reads: "Our thoughts and prayers are with you all. God is with you always. God Bless." The church's contact information is included on the back of the envelope.

Handmade card in colored pencil on paper. The outside features a series of staples running down the side and two hole punches. Cream-colored yarn is tied in a bow around the left-hand hole. From right to left, the inside reads, in Hebrew: "Zachor" (remember) and "Love, Cat Dog. Me and family are so sorry." Assorted hearts appear on the right flap; a group of multicolored blocks with a heart-shaped cat or dog face on top appears on the left. The back is signed, on the lower center: "From Aviva and Shosie."

Post-it note with handwritten message in blue marker. The message reads: "My heart, my grief, my compassion, and my best wishes are with all of you. Love, Cherlz from L.A."

Folded card with marker and colored pencil illustration. Front and back cover features Star of David inside heart. Interior features illustrations of heart and tree and word "Please accept our love and thoughts at this terrible time. Beth Chai Congregation, Bethesda, Md."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear friends at Tree of Life, We have been so saddened by what has happened. Our hearts break for you. We want you to know we may be far away, but we hold you close in our prayers. You are our brothers and sisters. We are with you. Sincerely, Cara [last name redacted] Pt. Loma Presbyterian Church."

Card from the Friendship Circle of Illinois. The cover reads: "To the Jewish community of Pittsburgh, From: Ari [last name redacted]." The acronym "B"SD" (with the help of heaven) appears in the upper right corner. The left flap on the inside features a large smiley face. The right flap reads: "I feel very bad for you and there should be always good stuff. And there be no bad stuff and Moshiach should come right NOW!!" A smiley face has been inserted inside the letter O.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a heart 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."

Post-it note with handwritten message in red marker. The note, which is written inside a heart, reads: "We love you guys." Two Stars of David appear on the lower right and center.

Handwritten note in black marker which reads: "Love is that which enables choice. Love is always stronger than fear. Always choose on the basis of LOVE." Tearing in left upper corner due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in red marker. The message reads: "Hate is not welcome here." Tape on the upper edge.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "To the Tree of Life, My thoughts and prayers are with yours. Nancy [last name redacted]."

Post-it note with handwritten message in blue ink. The message reads: "May their memories be a blessing." Color bleeding due to exposure to the elements at the Wilkins memorial.

Card addressed to Jerry Rabinowitz. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.

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."

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."

Document with reflections, sheet music, and song lyrics, 9 pages.

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 wishes for peace and divine love, and includes a quote from 1 Peter 4:8. The church's contact information is included on the back of the envelope.