Post-it note with handwritten message in red marker. The message reads: "99.9999999% of Americans are good and caring people!" Tape on the upper edge.

Card with illustration of two dragonflies on the cover. Message affirms the power of love to triumph over hate. The information on the back indicates that this card was purchased in support of UNICEF, the United Nations International Children's Emergency Fund.

Post-it note with handwritten message in blue ink. The message reads: "We are here."

Post-it note with handwritten message in blue marker. The note is written in Hebrew and English. Translated into English, the message reads: "May God protect you when you leave and when you come. Happy Chanukah!" Signed in English by the Abrin family, followed by a heart.

Handmade card in colored marker on paper. The front of the card features the word: "LOVE" in bubble letters; the letter "o" has been replaced with a large Star of David. Several smaller hearts and a multi-colored asterisk appear throughout. Signed, upper left: "Rylee Love." The back is signed, twice: "Love Rylee" in orange and purple marker, respectively. The card has been laminated.

Tri-fold bulletin listing the details of Shabbat services, upcoming community events and resources for those experiencing symptoms of trauma.

Notecard with the following message written in black ink: "LOVE ALWAYS."

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 sign with red, blue, green, and purple ink. The sign reads: "Lifting up our prayers for the Tree of Life synagogue, victims, families, and first responders."

Large square card from a student at Fountain Valley School in Colorado Springs, Co. Card reads: "Dear members of Tree of Life[s], I am an international student from China. I heard the sad news about the sad thing [that] happened in the Synagogue. I felt really sorry about that and I know I can't do anything to let you feel better. But I am always on your side. Support the sad family. So please strong to stay together. Peace be with you. - Isabel L." Illustrated Star of David and peace sign on lower left.

Post-it note with handwritten message in blue ink. The message reads: "You are in our thoughts and prayers. Love always triumphs over hate." Color bleeding due to exposure to the elements at the Wilkins memorial.

White envelope addressed to Tree of Life Congregation. Handwritten in black ink. Staining due to exposure to the elements at the Wilkins memorial.

Summary: KDKA-TV report providing a history of mass shootings in the Pittsburgh area between 2000 and 2018.

White posterboard with dozens of hands in red and pink paint. Initialed in multiple colors by creators. The words "Hope and Love," peace signs, and Stars of David are scattered throughout; the words "Hate won't win" appear in the lower center, inside two hands making the shape of a heart.

Summary: Timeline arranged by Pittsburgh Post-Gazette listing six mass shootings in the Pittsburgh region since 2000, including incidents in Wilkinsburg, Beaver County, Stanton Heights, Collier, and Mt. Lebanon.

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 encouragement and the sender's prayers for God's blessing. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in red marker. The message reads: "Stronger than hate. Never forget the day."

Post-it note with handwritten message in blue ink. The note is written in Hebrew. Translated into English, it reads: "Blessed is the true judge." Color bleeding due to exposure to the elements at the Wilkins memorial.

White posterboard with multiple signatures in colored markers. Illustration of two outstretched arms on the front. The upper half reads: "We lift our hands to God for you." The lower half reads: "St. Michael Catholic Family is praying for you." The reverse features additional signatures and a tree outlined in red in the lower center. Addressed to: "Tree of Life synagogue, Jewish community."

Floral tag from floral arrangement addressed to the members of the Tree of Life synagogue. The note is printed on a tag with a beige background from a local florist; tearing in the center right due to exposure to the elements at the Wilkins memorial.