Note from a member of The Church at Severn Run in Severn, Maryland. The front of the note reads: "Heaven is for everyone! God is Love- We love you. 'If any man says he love God, he's a liar if he loves not his brother.' 'Love they neighbor as thyself.' We are all children of the Lord. We are all the same in God's eyes. And they that be wise shall shine as the brightness of the firmament." Illustrations of a smiling heart, five-pointed star, cloud, rainbow, as well as flowers, appear below.

Full sheet flyer includes image of the top half of a mans face and typed text. Text describes Lest We Forget installation.

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."

Post-it note with handwritten message in black ink. The message reads: "Am Yisrael Chai!" Translated into English, this means: "The People of Israel live!" Color bleeding due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in blue marker. The message reads: "We love you. Love, Sophie."

Card on light blue paper with the word: "Rooaar" [Roar] in the upper right. An illustration of a bridge with a sun peeking through appears in the center, alongside various other undecipherable illustrations. Extensive tearing 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 bird with a leaf in its mouth and various geometric and floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Floral tag from floral arrangement sent by the Brown family. The tag reads: "Pittsburgh Strong. We grieve with you. There are no words. Thank you for standing for love. Thank you for fulfilling Exodus 22:21." Note handwritten in blue ink on a printed tag featuring a white rose on the left.

Post-it note with handwritten message in black marker. The message reads: "Share the Love! Free Bouquets!"

Cover of bencher (grace after meals booklet) from the bar mitzvah of Nate Itskowitz. Features illustration of a black and yellow sports jersey with the name Itskowitz, a Steelers logo modified to read "Nate" and the date "10-27-18," and Hebrew text listing the event and date.

Handwritten note written in blue marker on lined notepad paper from Christian Lacroix reading: "We love you, Cecil. May God comfort you and all the innocent people who died here." A white sticker with a red heart appears below.

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: "Sorry for your loss. We will remember you. P.S. We will pray for you. Aden."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Happy Thoughts" surrounded by a pattern with floral 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 black marker. The message reads: "Sending love from Detroit, MI." Tape on the upper edge.

Card addressed to Melvin Wax, written using personal details from various public sources.

Blue card with a Star of David filled with flowers outlined in gold and silver ink on the front cover. The inside contains a lengthy, heartfelt letter from a sender identifies themselves as "an angry college student who wants a change" from Pittsburgh.

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 and a sticker with the words: "Stronger Than Hate" with a heart and Star of David. The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Handwritten note written in brown marker on green coloring paper reading: "Let there be love and light in this world. Our thoughts are with this community. We send our love, light and peace. C. [last name redacted]."

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: "We [a]re with you. We love you. We care about you." The church's contact information is included on the back of the envelope.