Post-it note with handwritten message in green marker. The message reads: "Sincere condolences to all the families. Let there BE PEACE [underlined] on EARTH and Let it Begin with ME. Philomena."

Folded card with repeating diagonal plaid pattern in green and dark blue marker on yellow paper. The inside contains the following words in a cloud-shaped bubble with emanating light rays: "I am sorry for what happened. It will be ok. [Heart]." A Star of David surrounded by tiny dots appears in the upper left corner.

Handwritten letter written in black ink on lined notebook paper from Jennifer of Indiana, Pa.

Printed poster in blue, white, and black from the ACLU (American Civil Liberties Union). The poster reads: "We the People" and features an illustration of people in silhouette raising their hands upward. The reverse reads: "We the People ACLU" and contains a repeating word pattern featuring the various marginalized groups the ACLU serves.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Brothers and Sisters, May God give you strength and courage to overcome this tragedy and bring even more conviction and purpose to the Tree of Life congregation. [First name illegible, last name redacted]."

Pages of typed text.

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.

Typed text on yellow paper, four pages. Includes introductory article from Rabbi Aaron Bisno and details about upcoming congregational events.

Summary: New York Jewish Week breaking news report on the October 27 attack.

Card painted with blue paint on the front. The words "Tree of Life" and several Stars of David, hearts, and five-pointed star were drawn with marker. A smiley face sticker was placed on the bottom left edge. An orange sticky note in the shape of a twelve-pointed star with the words "Strength and Unity for ALL" was placed in the center. The back of the card contains the words "Thoughts and Prayers for ALL" on the left, accompanied by illustrations of Stars of David, hearts, and five-pointed stars.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird feather with geometric motifs. The back contains a handwritten note, which reads: "I'm sorry for your loss and I know what it like to lose someone dear to you but it is ok they will always love you no matter where you or the[y] are. -Owen H." The stock signature: "From your friends at West Allegheny Middle School," appears upside down on the upper right.

Laminated mixed media collage with paper, dried leaves, and marker. Tree in the center; two clouds and sun in upper register. Handwritten inscriptions in various marker colors on tree trunk and upper center. Extensive bleeding to back and signs of water exposure; creasing.

Bright yellow posterboard with handwritten message written in green marker and pencil reading, "We love you neighbors." Embellished with four hands with additional handwritten messages and hearts.

Laserprint with inscription on black background; photographic reproduction with illuminated tea lights in upper left corner. Blank back.

Blue posterboard with a large cross overlaid with a Star of David in the center and hearts on the side. Inscriptions in each of the four corners. Dirt on the reverse due to exposure to the elements at the Wilkins memorial.

Glass vase containing a variety of stone, colored glass, and synthetic red poppy flowers. Included in vase are tags reading, "Dept of NJ American Legion Auxiliary" and "In memoriam."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "We send LOVE to you today and always. We are on in the eyes of the Lord. When one hurts, we all hurt. When there is joy for one, there is joy for all. Prayers and blessings to you."

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]."

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.