Patch featuring logo of Pittsburgh Penguins adapted to resemble a Star of David above the words "Stronger Than Hate."

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

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover reads: "Letters." The inside reads: "To Tree of Life family: Who can explain such an event? And how do we move forward? My prayer is that your faith in your God will see you through this grieving time and heal you all with His Grace. Steve [last name redacted]."

Poster with short messages and multiple signatures from students at the St. Joseph Catholic Parish Religious formation written in various colored markers.

Flyer with "Stronger Together" in blue and red handwritten font against photograph of the skyline of Pittsburgh with a tree imposed against the clouds. Includes information about event and the names of featured performers, as well as various logos. A small note reads: "In memory of our holy brothers and sisters who died sanctifying G-d's name at Tree of Life-Ohr L'Simcha."

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

Printed paper square with the "Stronger Than Hate" emblem. Lamination has started to separate from the paper, as well as color loss, due to exposure to the elements at the Wilkins memorial.

Eight-page booklet printed on off-white paper. Program provides order of memorial service, lists names of deceased congregants by family, and lists names of congregational officers.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To Members of Tree of Life Synagogue, We are family and feel your grief. Prayers for our world to know and respect our roots together. Love and hope to you as you recover and move on with joy. Sincerely, Christi [last name redacted]."

Handwritten card in colored pencil on paper. The card features a large tree resting on grass in the lower center and reads: "We're thinking of you Tree of Life." It is signed: "[Lov]e Shayna and West Orange, NJ."

Post-it note with handwritten message in blue marker. The message reads: "We love you. Love, Sophie."

Floral tag from floral arrangement sent by Charles [last name redacted] and Abbi [last name redacted]. The tag reads: "Love, light, and perseverance. Charles [last name redacted] and Abbi [last name redacted]." The message is printed on a tag from a local florist.

Floral tag from floral arrangement addressed to the Mallingers, sent by Andrea. Andrea identifies herself as an old neighbor of the Mallinger family. The note is handwritten in black ink on a white paper.

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. The inside reads: "We will pray for you. We God guide you through. Love, your friend at Holy Angels Church." Spelling errors corrected for clarity.

Rectangular cardboard sign. Front reads, "LOVE They Neighbor" with a heart in purple, green, blue, and read marker. Back includes signatures from the Wolfson children.

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.