Folded card on white paper. Extensive dirt staining. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Hardwritten card in blue pen on white paper, offering condolences following the October 27 attack.

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."

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 letter is dated Oct. 28, 2018 and contains words of condolence and prayer. The church's contact information is included on the back of the envelope.

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.

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 messages of sympathy and prayer. The church's contact information is included on the back of the envelope.

Handwritten card in pink marker on paper. The card contains illustrations of a flower and two hearts and reads: "Simon. May their memory be a blessing." Folded on the sides.

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. Due to water exposure at the memorial site, the message in this card has been partially erased. The remaining text reads: "[?] of Life members... praying for you. Sorry for you[r] loss. [G]od bless you! Love and prayers, Holy Angels CCD." Spelling errors corrected for clarity.

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: "You are God's chosen people. He loves you so much and so do we. We pray that love wins in your synagogue every day. God bless, The Church at Severn Run." The church's contact information is included on the back of the envelope.

Card made by a student from the George Washington University Hillel. Contents of card rendered illegible by water damage at the memorial site.

Handwritten card in pencil on paper. The front cover features a Star of David in the center and reads in Hebrew: "L'chaim" (to life). The inside reads: "My condolences for this tragedy. Sending love from Cleveland, Ohio. Stay strong. You are in my prayers. Love, Louis [last name redacted]."

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.

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 messages of solidarity and a prayer for love. The church's contact information is included on the back of the envelope.

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 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].

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "I am here in this moment" with arrows and other 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."