Printed signs in blue and green ink on paper. The signs urge the reader to "Show solidarity" and "stand up for our common values, today tomorrow and always." An illustration of three stylized people raising their hands appears in the upper center, surrounded by the words: "Kindness, Respect, Courage."

Folded card on yellow paper with handwritten message in black marker. The front cover reads: "My thoughts and prayers are with you and the Jewish community through these tough times that you and all Pittsburgh people are going through right now."

Notecard with a large heart illustrated in red crayon. Signed: Shani [last name redacted], Philadelphia."

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:

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 are with you, our brothers and sisters. Stand strong within your faith- unyielding, unshakeable. Do not despair." The church's contact information is included on the back of the envelope.

Blank Goddard Middle School postcard. Front reads: "Goddard Middle School Good News!" and features the school's symbol.

Post-it note with abstract illustration in red marker.

Post-it note with handwritten message in black and red marker. The message reads: "Always in our heart."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear friend, I am so joyful that you exist! As the well-loved child of God, you have an infinite worth and deserve so much love. My prayer is that you begin or continue to understand this throughout your life. May your life continue to be blessed. I love you! Love, Your friend from the Church at Severn Run."

Handout on grief, trauma, and critical incident stress debriefing, which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock.

Red synthetic flowers with green leaves inserted into a cylindrical piece of synthetic moss. Wrapped in brown textured paper and tied with raffia bow.

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.

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.

Post-it note with handwritten message in blue ink. The message reads: "Prayers for Pittsburg[h]. May this never happen again anywhere." Color bleeding due to exposure to the elements.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear friends, My heart and prayers are with all of you as you process your loss and the events in these past few days. May God's presence and comfort be showered on every one of you. I cannot even begin to imagine... I pray for God's grace and blessings. With love, Cheryl [last name redacted]."

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.

Oral history with Hershey Dugan recorded as part of the Meanings of October 27th oral history project.

Handwritten letter written in black ink on lined notebook paper from Michelle. Michelle is a lifelong Pittsburgher whose mother worked in Squirrel Hill when Sophie Masloff, Pittsburgh's first Jewish and female mayor, was in office. Michelle recalls her mother's pride in serving Masloff. Michelle notes that she is a student at the University of Pittsburgh and currently lives in Squirrel Hill. She apologizes for being "neglectful" of her ties with the Jewish community. She wrote this letter to extend "my very friendly hello" and to communicate her solidarity.