Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "May your tree keep growing, members of the Tree of Life Synagogue. From: Connor, Grade 7, Holy Angels CCD." The handwritten message is accompanied by an illustrated tree.

Letter from Rev. Drew Shofner, the lead pastor at The Church at Severn Run in Severn, Maryland. Addressed: "TREE OF LIFE."

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: "Pray for world peace. Praying for all. Love Wins!" The church's contact information is included on the back of the envelope.

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 "Melvin Wax." 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.

Postcard with a monumental building with a dome, perhaps a mosque, from Azerbaijan on the cover. Tearing due to exposure to the elements at the Wilkins memorial. The message on the back contains words of prayer and the senders' commitment to welcoming all in Squirrel Hill.

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

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Friends, The loss you feel must be beyond my comprehension. I am so very sorry for your tragedy. My prayer is that God will somehow us this to make his face known. I also pray that you will experience emotional and physical healing. These events have reminded me of the frail nature of our earthly bodies. I am confident that God has prepared a plan for us all where we will be freed from our own flesh and all pain will be gone. Love, Blake."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a butterfly with geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear People of God, There are no words sufficient... Know that I and this people of our congregation stand with you- we are with you. With the love of the true and living God, Patrick [last name redacted] San Diego, CA."

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.

Flyer with "Stronger Together" in blue and red handwritten font against photograph of the skyline of Pittsburgh with a tree imposed against the clouds. Includes information about event and the names of featured performers, as well as various logos. A small note reads: "In memory of our holy brothers and sisters who died sanctifying G-d's name at Tree of Life-Ohr L'Simcha."

Floral tag enclosed in white envelope from floral arrangement. The envelope is hand illustrated in blue ink with a tree in the center and has a hole punch in the upper left corner. The tag is addressed to Squirrel Hill and reads: "To the neighborhood that gave me my friends, my craft, my fiancee, my passion, and my livelihood, shine on, love on, heal on, grow and hug, and thrive and be gentle with one another. Heal. Heal. Heal. Love."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

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: "Dear Tree of Life members, I am keeping you and all of the others affected by this tragedy. My deepest sympathy, Molly [last name redacted] Holy Angels CCD."

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.

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."

Post-it note with handwritten message in black marker. The message reads: "On the street where I lived many years ago. I remember it with calm and safety. May this spot once again, one day, be a place of comfort and peace for my Jewish community and all people."

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