Natural red rose preserved in plastic box.

Handmade, screen-printed card on pink paper with green paint. An abstract shape, perhaps meant to evoke a broken heart, appears in the center. Signed, lower right: "Love, Brian S." The card has been laminated.

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

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."

Floral tag enclosed in orange envelope from floral arrangement. The tag reads: "Love from your friends in Sewickley." The message is writtein black ink on a printed tag with a forest landscape; the "o" in "Love" is written as a heart. The reverse is stamped with the contact information fo Squirrel Hill Flower Shop.

Handwritten card in red marker on paper. The card is signed: "Owen" and contains two illustrated stick figures.

Handwritten card in blue marker expressing condolences and affirming belief in the resilience of the Jewish people. Signed with the phrase "Am Yisrael Chai" (The People of Israel Live).

Envelope and floral tag with ribbon addressed to Tree of Life. The floral tag features a rooster with a stack of vegetables on its head. It contains a handwritten sympathy note on the reverse.

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

Card made by a student from the George Washington University Hillel. Card reads: "My thoughts and prayers are with your community. Stay strong, because the entire world is with you. - George [last name redacted]."

Hand written and illustrated poem dedicated to the eleven leaves which feel from the Tree of Life, a euphemism for the eleven victims of the October 27 attack. Eleven illustrations of different kinds of leaves appear around the poem.

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

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Words can't begin to express the sorrow we have felt and experienced as a church, country and people for the senseless loss and hatred you all have experienced. We pray and hope you feel God's peace, comfort and loss in this time of great sorrow. Love will win. Peace will win. Always. Your sister in God's love..."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Ones [heart symbol], We send you love and share your pain and loss. I wish we could kiss you and make it all better. May God bless you and be with you and comfort you in this tragic time. [Heart symbol] Love, Joci and Jim [last name redacted].

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother IRVING YOUNGER z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Post-it note with handwritten message in blue marker. The message reads: "I think this means when there is hate and sorrow be the one who makes happiness and kindness into the world. Simon [last name redacted]."

Post-it note with handwritten message in blue marker. The message reads: "May your loved ones rest in peace. May your hearts heal and know that we are with you and will defend and love you."

Handmade card in purple, blue, green, and black ink on white paper. Signed by Talia, Jacob, and Jayden. Illustrated with small hearts throughout. Smudging and staining due to exposure to the elements at the Wilkins memorial.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "God bless you all and your synagogues in this difficult times and may the spirit of the Lord watch over you. [Signature illegible]."

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.