Post-it note with handwritten message in green ink. The message reads: "We cannot change the past, but we can inspire the future. Let what's happened here be a warning to us all that there is no room for hate anymore."

Clear glass mason jar containing paper butterflies on sticks, rhinestone star wand, and windchime in the form of an angel with message reading "be at peace."

Flower pot covered in green burlap and tied with raffia ribbon. Pot contains blue and white synthetic flowers and synthetic leaves.

Handwritten card in blue and purple marker on paper. The card features a large heart, over a Star David, with the first names of the eleven victims of the October 27 attack. The card reads: "We can't take away the pain, we can only add our love. Love, The Ettingers."

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 floral tags from floral arrangements sent by Shadyside Presbyterian Church.

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, love, and wishes for strength. The church's contact information is included on the back of the envelope.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother JERRY RABINOWITZ 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.

White sign with "Coexist" written in multiple colors. Many of the letters in "Coexist" have been replaced by interfaith symbols, including the crescent moon, peace symbol, Star of David, yin-yang, and a cross. The hashtag, "Pghstrong" appears in the upper center, followed by a yellow heart. Three additional hearts, outlined in red marker, appear throughout. Blank back.

Handmade booklet with blue paper on the cover, pink cover on the back, and three pages of white paper inside. Tied together with red ribbon through three hole punches. Extensive color staining and bleeding throughout. Due to exposure to the elements at the Wilkins memorial, the messages on this card are no longer visible.

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]."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover features the following quote: "Let your smile change the world but don't let the world change your smile." The inside reads: "Dear Tree of Life Congregation, I am very sorry for the bad news. I am a social studies student in Goddard Middle School. I know the feeling of losing someone, and it must be a very hard time for you guys. just so you know we'll be there for you guys and you'll always be in our thoughts. Sincerely, Evangeline."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To all of you at Tree of Life Synagogue, Deepest prayers and love reach out to each of you. May God's light and love bring you healing and strength. We are all one in our bonds of faith and goodness and HOPE! You are loved. Wendy [last name redacted]."

Handwritten note in black marker on paper. The note reads: "Pittsburgh we are all with you." Tearing 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 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 and prayer. The church's contact information is included on the back of the envelope.

Oral history of Anna Coufal, recorded as part of the Meanings of October 27th Oral History Project.

Handwritten letter written in black ink on glossy, lined notebook paper. The author, who identifies themself as a Hindu, articulates their belief in the Hindu concept of the soul's eternal nature. They conclude their letter with a Hindu prayer transliterated and translated into English. Fading and spotting due to exposure to the elements at the Wilkins memorial.