Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a pineapple with geometric patterns surrounded by hand illustrated hearts. The back contains a handwritten note featuring a quote from the British historian, Richard Evans, as well as the stock signature: "From your friends at West Allegheny Middle School."

17-page speech, typescript with handwritten annotations. Provides a brief history of Tree of Life Congregation and reflects on the mission and values of the congregation at its centennial.

Program for "Adat Shalom Solidarity Shabbat" including a quotation from George Washington's letter to the Touro Synagogue and from Rabbi Harold Kusher and prayers by Chaplain Bruce Corriel and Rabbi Naomi Levy.

Post-it note with handwritten message in blue marker. The message reads: "We will not be bystanders. We will take action. All of us have a role to play. Everyone can help."

Floral tag from floral arrangement addressed to the Congregation and Staff at Tree of Life Synagogue. The message is printed on flower tag from a local florist. Creasing due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in black marker. The note is written: "Heartbroken with all of you."

Post-it note with handwritten message in blue marker. The message reads: "Hate is not welcome here! May love, community, and peace shield you with The Tree of Life." Signed: "[Heart] Temple Beth Shalom, Florida, N.Y."

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.

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.

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

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.

Canvas with "We Are Better Than Hate" painted in orange letters with black border on a white background with black border. Canvas wrapped and stapled to wooden frame.

Glass vase with four blue and white star-shaped balloons and a miniature American flag. Handwritten in black marker on white balloon is "Love One Another Right Now" with two hearts. Attached to front of vase is typed note that reads, "For our beloved neighbors that worshipped at the Tree of Life Synagogue, with great sadness, but also with a recommitment to a world of justice, reason, and love - [redacted], Chatham University;-[redacted], Washington DC - [redacted], Fouzhou China- [redacted], Sao Paulo Brazil."

Post-it note with handwritten message in blue ink. The message reads: "From strength to strength [Star of David]. With you from KBH and all of Virginia Beach."

Card addressed to Irving Younger. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.

Card addressed to Daniel Stein, written using personal details from various public sources.