Post-it note with handwritten message in blue ink. The message reads: "May their memories be a blessing." Color bleeding due to exposure to the elements at the Wilkins memorial.

Printed text of the Hebrew poem "Shalom Aleichem," which is traditionally recited on Friday evenings to welcome the Sabbath angels. Translated into English here. Some of the text in the first line of the final stanza has been cut off. Staining and creasing due to exposure to the elements at the Wilkins memorial.

Prayer sheet for a memorial service at Beth Israel Congregation in Washington, Pa. Includes poem titled "Elijah," words to Psalm 121 in Hebrew and English, and a traditional blessing for mourners known as "Hamakom yenachem" presented in Hebrew, transliterated Hebrew, and English.

Floral tag from floral arrangement sent by the Manitoba Islamic Association in Canada. The tag reads: "Words cannot begin to express our sorrow at the senseless attack at a house of worship. Please accept our deepest condolences from the Manitoba Islamic Association." The message is printed on a tag from a local florist.

Floral tag from floral arrangement sent by Kathryn, Jim, and James. The tag reads: "With love from Kathryn, Jim, and James. May their memory be a blessing." Note is handwritten in black ink on white paper; staining and creasing due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in blue ink. The message reads: "I will raise my children Jewish #neverforget." Color bleeding due to exposure to the elements at the Wilkins memorial.

Folded card on orange paper. The front cover feature a large Star of David outlined in black marker. The inside features a cartoon of a young girl wearing a Star of David t-shirt. Creasing due to exposure to the elements at the Wilkins memorial.

Floral tag from floral arrangement sent in honor of the congregation at Tree of Life Synagogue. The note is printed on a tag with a beige background from a local florist, Oliver Flower Shop.

White poster with inscription and drawings in fuchsia marker. Bleeding on back. Staining throughout due to exposure to the elements at the Wilkins memorial.

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

Post-it note with handwritten message with blue marker. The message reads: "Stronger Than Hate!" Illustrated with a heart and signed: "TR."

Collage with a hand drawn tree in the center; leaves made of multicolored tissue paper. Handwritten messages in black ink and red crayon on either side of the tree.

Typed text on paper with gray background and blue and gold accents and logos for Holocaust Center of Pittsburgh and the University of Pittsburgh. Text lists speakers and supporters for event.

Square poster that says "Love one another right NOW" with music notes and pink hearts. Poster attached to a yard stick. Blank back.

Card made by a student from the George Washington University Hillel. The front cover contains a bilingual Hebrew and English message: "Haverim (friends) in Pittsburgh" with a Star of David below. The inside (from right to left) reads: "Sending love, solidarity, and hope. Our community is the strongest in the world! -Sam, GWU student, Colorado Springs, CO, Temple Beth Torah."

Post-it note with handwritten message in black marker. The message reads: "Miss you [underlined]! Love and Hugs."

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.