Decal sticker featuring "Stronger Than Hate" symbol with yellow border and the words Pittsburgh Police beneath the City of Pittsburgh crest.

Letter dated 10/30/18 from a student at the Hadar Institute, an egalitarian Yeshiva and center for Jewish life located in the Upper West Side of Manhattan.

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.

Eight photocopies of an image with the words "You Are Not Alone" printed in a rectangular object resembling a flag with bands, resembling woodgrain backing, on the upper and lower edges. Staining due to exposure to the elements at the Wilkins memorial.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister BERNICE SIMON 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.

Magazine cutting with sparrow sitting on a tree branch on the front cover with the stock quote "dreamy, melancholic variations." Printed poem below and above the quote. Tear marks on the upper edge. Image of three women in long peasant skirts standing on a wooden floor around an illuminated candle.

Rectangle-shaped card from a student at Fountain Valley School in Colorado Springs, Co. Card reads: "Dear members of Tree of Life synagogue. I am an international student from China. I am sorry for your loss and will stand with you. May peace with you and stay stong. Shalom. Warmly, Xiao Chao [last name redacted]." Small Star of David in lower right.

Handwritten note written in blue ink on lined paper. Addressed to the victims of the October 27 attack and their families. The note is signed by Natasha and reads: "I love you. I'm so sorry this happened to you." Staining and color bleeding due to exposure to the elements at the Wilkins memorial.

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."

Handwritten note written in purple marker on white paper reading: "Our prayers and sadness are with you on this tragic day." Signed by the Yu, Kaufmann, and Bernstein families. Color bleeding due to exposure to the elements at the Wilkins memorial.

Handwritten note written in black ink expressing the author's wish that the site of the October 27 attack and its memory become a source of love and strength. Tearing and staining due to exposure to the elements at the Wilkins memorial.

Folded card with marker illustrations. Cover features two balloons with text "It's fine we are here with you." Interior features illustration of abstract diamond designs with text, "I'm saddened by the tragic attack on your community in Pittsburgh - and on all Jews. Please know that you are not alone, and have lots of support from good people near and far. L'shalom."

Floral tag from floral arrangement sent by Eddie and Diane in memory of Al Hess. The note is printed on a tag with a beige background from a local florist.

Post-it note with handwritten message in blue marker. The message reads: "I'm praying for these holy souls, may God shine His light upon them!"

Post-it note with handwritten message and illustrations in green, blue, red, and black marker. The message reads: "He watching over Israel slumbers not nor sleeps." An illustration of houses on a hilltop with a river, trees, heart, and a moon and stars above, appears around the text.

Floral tag from floral arrangement addressed to Tree of Life synagogue. The message is printed on a tag from a local florist.

Post-it note with handwritten message in black marker. The note is written in Hebrew and English. Translated into English, the message reads: "The People of Israel Lives. Love from Toronto, Mark [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.