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. A handwritten note and signature appear in the upper and lower right corners respectively. The back features the stock signature: "From your friends at West Allegheny Middle School."

Handwritten note written in blue ink on lined notecard expressing the author's wish that all the victims of the October 27 attack find peace and that God will ease the suffering of those lose who lost loved ones.

Post-it note with handwritten message in blue ink. The message reads: "Find strength in community today and hope for a better tomorrow." A heart appears between the third and fourth line on the right.

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.

Letter written with red ink on lined notebook paper. The letter reads: "Stay strong. Gone but neve[r] forgotten. From Graccie [last name redacted]. We miss you." Illustrated with a small heart and Star of David.

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 condolence and love. The church's contact information is included on the back of the envelope.

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.

White poster with inscription in black, blue, red, and green marker. Back blank.

Card addressed to Joyce Fienberg, written using personal details from various public sources.

Handwritten note written in black ink on white paper with the full names of the eleven victims of the October 27 attack. Navy blue line appears on the upper edge on the back. Creasing and staining due to exposure to the elements at the Wilkins memorial.

Folded card on pink paper. Blue and yellow staining throughout, particularly around the central crease. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Handwritten card in colored pencil on paper. A blue and green colored globe, surrounded by alternating male and female stick figures in purple, red, and yellow, appears in the center. The globe is inscribed: "We are thinking of YOU!!" The upper and lower edge of the card reads, in Hebrew: "Am Yisrael Chai"(the People of Israel live). Four Stars of David appear on either side of the globe. Signed: "Hannah S. 8th grade at Yeshivat Noam."

Butterfly-shaped cutout with colored with blue and green pencil. The words: "#Stronger Than Hate" appear handwritten in alternating blue and green letters above the butterfly's antennae.

Piece of notepad paper with a pencil drawing of a flying angel with wings and a halo.

Issue of the Pittsburgh Post-Gazette with a card made from blue construction paper with an inscription in black marker taped to the front; newspaper is yellowed and creased at corners. Back page includes weather forecast and advertisements.

Blank white posterboard.

Oral history of Meryl Ainsman, recorded as part of the Meanings of October 27th Oral History Project.

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: "Dear You, I have so much I could tell you, but what I want to share with you is a feeling. I want you to always feel God's love for you! I know sometimes (many times) God's love feels hidden. Where is love's light in our times of darkness? Two things help me to remember God's love each day. I hope that they can help you too.

Post-it note with handwritten message in black marker. The message reads: "Rest in Peace. Toronto."

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Jerry Rabinowitz." (The name is misspelled as "Terry Rabinowitz.) Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.